Evolution of Powers of Two

Question

This is a repost of Evolution of “Hello World!”, originally written by user Helka Homba

It should not be closed as a duplicated, due to meta consensus here.

The original was asked over two years ago and was last active more than six months ago. I have permission from Helka Homba to post this here

Since the original, many languages have been invented, and many people have joined the site who have never had an opportunity to answer the original, so I feel that this repost is acceptable.

---

The challenge is to make a program that prints 2^n to stdout, where n is the number of your program. The catch is that your program must have a Levenshtein distance of 10 or less from the program in the answer submitted before yours.

How This Will Work

Below I will submit the first answer using C#, which prints 2^(n=1)=2.

The next person to answer must modify the code with up to 10 single character insertions, deletions, or substitutions so that when it is run in the language of the new answer, it prints 2^n (with n being the answer number). For example, the 25th answer (let's say it's in Pyth) would print 2^25, or 33554432.

This will continue on until everyone get stuck because there is no new language the last answer's program can be made to run in by only changing 10 characters. The communal goal is to see how long we can keep this up, so try not to make any obscure or unwarranted character edits (this is not a requirement however).

Formatting

Please format your post like this:

#Answer N - [language]

    [code]

[notes, explanation, observations, whatever]

Where N is the answer number (increases incrementally, N = 1, 2, 3,...).

You do not have to tell which exact characters were changed. Just make sure the Levenshtein distance is from 0 to 10.

If you answer in some language or the resulting code is just a mess, do please explain what you did and why it works, though this isn't required.

Rules

The key thing to understand about this challenge is that only one person can answer at a time and each answer depends on the one before it.

There should never be two answers with the same N. If two people happen to simultaneously answer for some N, the one who answered later (even if it's a few seconds difference) should graciously delete their answer.

Furthermore...

• A user may not submit two answers in a row. (e.g. since I submitted answer 1 I can't do answer 2, but I could do 3.)
• Try to avoid posting too many answers in a short time frame.
• Each answer must be in a different programming language.
  • You may use different major versions of a language, like Python 2/3
  • Languages count as distinct if they are traditionally called by two different names. (There may be some ambiguities here but don't let that ruin the contest.)
• You do not have to stick to ASCII, you can use any characters you want. Levenshtein distance will be measured in unicode characters.
• The output should only be 2^n and no other characters. (Leading/trailing whitespace is fine, as is unsuppressible output like >>> or ans=)
• If your language doesn't have stdout use whatever is commonly used for quickly outputting text (e.g. console.log or alert in JavaScript).
• When the power of two you have to output gets very large, you may assume infinite memory, but not an infinite integer size. Please be wary of integer overflows.
• You may make use of scientific notation or whatever your languages most natural way of representing numbers is. (Except for unary, DO NOT output in unary)

Please make sure your answer is valid. We don't want to realize there's a break in the chain five answers up. Invalid answers should be fixed quickly or deleted before there are additional answers.

Don't edit answers unless absolutely necessary.

Scoring

Once things settle down, the user who submits the most (valid) answers wins. Ties go to the user with the most cumulative up-votes.

Edit these when you post an answer:

Leaderboard

13 languages

Okx

8 languages

zeppelin

4 languages

Pavel
Jonathan Allan
Kritixi Lithos
Riker

3 languages

boboquack

2 languages

bmarks
Conor O'Brien
Destructible Watermelon
ovs
Tom Carpenter

1 language

ATaco
Blocks
Dennis
dzaima
Erik the Outgolfer
ETHproductions
ghosts_in_the_code
Leo
Lynn
Matheus Avellar
Nathaniel
Qwerp-Derp
R. Kap
Taylor Scott
nimi
Mistah Figgins
PidgeyUsedGust
steenbergh

Languages used so far:

1. C# (Pavel)
2. /// (boboquack)
3. Retina (Dennis)
4. Jelly (Jonathon Allan)
5. Pyth (boboquack)
6. ><> (Destructible Watermelon)
7. Minkolang (Kritixi Lithos)
8. Perl (Pavel)
9. Python (Qwerp-Derp)
10. dc (R. Kap)
11. Charcoal (Jonathon Allan)
12. Self Modifying BrainFuck (Leo)
13. SOGL (dzaima)
14. ShapeScript (Jonathon Allan)
15. Pyke (boboquack)
16. Ruby (Nathaniel)
17. 05AB1E (ovs)
18. STATA (bmarks)
19. bc (Kritixi Lithos)
20. Japt (Okx)
21. 2sable (Kritixi Lithos)
22. Cheddar (Jonathon Allan)
23. Pylons (Okx)
24. Bash (zeppelin)
25. Pushy (Okx)
26. CJam (Erik the Outgolfer)
27. MATL (Okx)
28. MATLAB (Tom Carpenter)
29. Octave (Kritixi Lithos)
30. R (ovs)
31. JavaScript ES7 (Tom Carpenter)
32. Convex (Okx)
33. Mathematica (ghosts_in_the_code)
34. Pip (Okx)
35. Stacked (Conor O'Brien)
36. GolfScript (Okx)
37. Actually (Lynn)
38. RProgN (Okx)
39. Scheme (bmarks)
40. Element (Okx)
41. J (Blocks)
42. Cubix (ETHproductions)
43. zsh (zeppelin)
44. VBA (Taylor Scott)
45. Fish (zeppelin)
46. Reticular (Okx)
47. Perl 6 (Pavel)
48. RProgN2 (ATaco)
49. PHP (Matheus Avellar)
50. Jolf (Conor O'Brien)
51. Haskell (nimi)
52. Befunge-98 (Mistah Figgins)
53. Gnuplot (zeppelin)
54. QBIC (steenbergh)
55. FOG (Riker)
56. Qwerty-RPN (Okx)
57. Korn Shell (ksh) (zeppelin)
58. Julia (Riker)
59. Python 3 (Pavel)
60. Vimscript (Riker)
61. Dash (zeppelin)
62. Vitsy (Okx)
63. csh (zeppelin)
64. Ohm (Okx)
65. Bosh (zeppelin)
66. es-shell (Riker)
67. Gol><> (PidgeyUsedGust)

This question works best when you sort by oldest.

Answer 1

Answer 64, Ohm, distance 10

64º,;S)1'a"bc"<<x
2^63 
x
#??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ 
exit
 @n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:py print(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Added 64º,;S)1'a

Only the 64º, is actual code, the rest is just junk.

This program will print the correct output, but it will also ask for some STDIN after it has printed 2⁶⁴.

Answer 2

Answer 17: 05AB1E, Distance of 3

#"Ａ#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#β”6904”±r«"$2 
puts 16384 8*

Try it online!

Answer 3

Answer 24: Bash, distance 8

#23#2ej
printf $[2**24]
#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#ß”6904”±r«"$2 
#puts 16384 8*di 2^18o8*'

Try It Online !

Answer 4

Answer 51, Haskell, distance 10

--2@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@)//2 25)#e#2ej#printf("% $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024
print(2^51)--;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Remove 2 NL, replace ^ at the beginning with -, prepend another -, delete * within the print, replace 2nd * with ^, overwrite 49with 51, insert -- after the print.

Answer 5

Answer 67, Gol><>, distance 6

We van use the trampoline # to just append the code in reverse. By removing S)1'a the ; can be reused, needing only 6 characters to be added.

#64º,;n*:"C"
"bc"<<x
2^66
x
#??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ 
quit()
@n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:
py 
p
riker
i
n
t
(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#

Try it online!

I think keeping the # allows for some other languages to use it as a commented line.

Answer 6

Answer 3: Retina, distance 3

/class HelloWorld {static void Main() {
    System.Console.Write(2);
}}//4|
8

Appended |\n8 (distance 3).

Try it online!

Answer 7

Answer 4: Jelly distance 3

/class HelloWorld {static void Main() 0{
    System.Console.Write(2);
0}}//4|
8Ḥ

Try it online!

all insertions: 00Ḥ.

0{ and 0} are there to suppress parsing errors (pop from empty list due to the { and } being quicks that turn monads into dyads using the left and right argument respectively).

Ḥ "unhalves" 8 to make 16.

Answer 8

Answer 5: Pyth

32 "/class HelloWorld {static void Main() 0{
    System.Console.Write(2);
0}}//4|
8Ḥ

Prints the numeric literal 32, then the space between the 2 and the " suppresses printing of the (auto-completed) string literal.

+4 characters - 32 "

Try it on herokuapp

Answer 9

Answer 6 - ><>

32""/class HelloWorld {static void Main() 0{;n***~
    System.Console.Write(2);
0}}//4|
8Ḥ

replaced a space with ", the code pushes 3, 2, 4, then reverses, pushes 4,2,3, then pops 3 off the stack, and multiplies 2, 4, 4, 2, for 64, outputs it and halts

Try it online

maybe use https://www.fishlanguage.com/playground

Answer 10

Answer 8: Perl

#327;N.""/class HelloWorld {static void Main() 0{;n***~
#    System.Console.
print(256);
#0}}//4|
#8Ḥ

Exactly distance of 10: +4 # for comments, +1 newline after System.Console., +3 for transforming write into print, +2 for turning 2 into 256.

I wasn't going to participate, but I wanted to make sure some regular langs were added before anything got too insane.

Try it online!

Answer 11

Answer 20: Japt, distance 8

2**20$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#ß”6904”±r«"$2 
#puts 16384 8*di 2^18*/

Try it online!

Modifications:

Changed 2^19 to 2**20 at the start of the program, to calculate the power (4)

Replaced # with $ on the first line so that everything past it is interpreted as JS (1)

On the last line, removed the / and added a */ at the end of the program, so the comment takes up the whole program (3)

Answer 12

Answer 27: MATL, distance 4

27W%2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'

Try it online!

Added 27W%

Explanation:

  W   2 to the power of
27    27
   %  Start of single line comment

Answer 13

Answer 42: Cubix, distance 8

2^41 NB.`(expt 2 39); ^ exit @ⁿ.óout (*2 32#e#a44******O@)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Try it online!

The lert(2**31 in the middle was changed to 44******O@.

Answer 14

Answer 49: PHP, distance 6

<?#"#28@P2*Jp;math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.óout (*2 32#e#a44******O@)//2 25)#e#2ej#printf("% $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.#1024
print(2**49);#0}}//4|
#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Added <? and ?> to open and close PHP tags, respectively.

Replaced 48 with 49.

# starts a comment on PHP, so nothing is considered except for

<? print(2**49); ?>

Here's a screenshot of proper syntax highlihgting and output to help visualize:

Answer 15

Answer 50: Jolf, distance 10

^2@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@)//2 25)#e#2ej#printf("% $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.#1024
print(2**49);#0}}//4|
#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Try it here!

Prepended ^2@2( (+5)

Removed ± and ß from #ß6904±r (+2)

Removed ó from óout (+1)

Removed <? from <?#"#28@P2* (+2)

Total: 10. Remove all the non-ASCII characters!

Explanation

( stops parsing, so the code looks like:

^2@2
^      exponentiate
 2     two
  @2   to the 50 (char code of 2)

Answer 16

Answer 52. Befunge-98, distance 8 + 2

Thanks to @DestructibleWatermelon for golfing a byte!

--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@)//2 25)#e#2ej#printf("%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024
print(2^51)--;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Try it Online!

Added '3k before the 2, and '2k*. between the 2 and @.

-- does nothing,
'3k2 puts 52 2s onto the stack, and
'2k*.@ multiplies them together, prints the number, and exits

Also, I added a d" after printf("% to make other people's lives easier, as I had 2 extra characters. It doesn't affect the Befunge-98 program.

Answer 17

Answer 60, Vimscript, distance 10

"bc<<<2^57 #x??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:py print(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Changed the 2 # on the start of the middle two lines to ", added a " in front of the first line, and :py<space> in front of the last line.

For clarification:

" is a line comment in vimscript (at least at the start of a line), and doesn't need to be matched.

Vim can run python code, so this is really equivalent to asking python for the answer.

Answer 18

Answer 2: ///

/class HelloWorld {static void Main() {
    System.Console.Write(2);
}}//4

+4 chars - ///4

Try it online!

Answer 19

Answer 7: Minkolang, Distance: 4

327;N.""/class HelloWorld {static void Main() 0{;n***~
    System.Console.Write(2);
0}}//4|
8Ḥ

Try it online!

I added 7;N. to the program. Basically 3, 2 and 7 are pushed to the stack and then 2 is raised to the seventh power using ;. This is then outputted as a Number and then the program stops on the .

Answer 20

Answer 10: dc, Distance of 5

#327;N.""/class HelloWorld {static void Main() 0{;n***~
#    System.Console.
1024p#rint(512);
#0}}//4|
#8

Here is a valid dc program which outputs 1024.

Try it online!

Answer 21

Answer 11: Charcoal, distance 5

Ａ#327;N.""/class HelloWorld {static void Main() 0{;n***~
#    System.Console.
1024p#rint(512);
#0}}//4|
β2048

Try It Online!

The uppercase Greek letters Ａ and β are variables which are assigned the ASCII characters following. The final value is implicitly printed.

Answer 22

Answer 12: Self-modifying Brainfuck

Ａ#327;N<.""/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
1024p#rint(512);
#0}}//4|
#β6904

Try it online!

SMBF is just like brainfuck, except the source code is available on the tape to the left of the starting position. Here we have the number to print in reverse at the end of the code, and we do <. four times to print all four digits.

I added a < before each . in the code (there were 3 of them), an extra <., and modified the final number. Distance should be 8.

Answer 23

Answer 29: Octave, Distance: 1

disp(2^29)%2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'

Try it online!

All I had to do was to change the 28 to 29

Answer 24

Answer 31: JavaScript ES7, Distance 7

alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'

ES7 supports the ** operator for power.

You can try online here.

Answer 25

Answer 33: Mathematica, distance 9

2^33 (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'*)

Explanation

Puts everything inside comments and outputs 2^33

Please verify that this answer is valid before putting your own because I am new at this and don't want to end up breaking the chain.

Answer 26

Answer 37: Actually, distance 7

2:37@ⁿ.óout (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Replaced   36?# with :37@ⁿ.ó.

Try it online!

Answer 27

Answer 38: RProgN, distance 10

2 38 ^ exit @ⁿ.óout (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Try it online!

Replaced 2:37 with 2 38 ^ exit (10) (note the trailing space)

Explanation:

2            2
     ^       to the power of
  38         38
       exit  Stop the prgram

Answer 28

Answer 47: Perl 6, distance 10

#28@P2*Jp;math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.óout (*2 32#e#a44******O@)//2 25)#e#2ej#printf("% $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.#1024
print(2**47);#0}}//4|
#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Perl 6 is considered distinct from Perl. I tried to set up C down the road by adding "% after printf, hopefully someone uses that.

Try it online!

Answer 29

Answer 48: RProgN2, distance 9

"#28@P2*Jp;math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.óout (*2 32#e#a44******O@)//2 25)#e#2ej#printf("% $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.#1024
print(2**47);#0}}//4|
#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^

Added a " to the start which stopped everything from breaking, the [[[ at the end clears the memory, and 268*^ calculates the new answer. Implicitly printed.

Try it online!

Answer 30

Answer 66, es (shell) + bc, distance 8

#64º,;S)1'a
"bc"<<x
2^66
x
#??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ 
quit()
@n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:
py 
p
riker
i
n
t
(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Changed exit to quit(), and added iker after the first r. I couldn't resist and I wanted to add 4 more characters.

Answer 31

Answer 1: C#

class HelloWorld {static void Main() {
    System.Console.Write(2);
}}

Pro tip: comment out what you don't need.

Try it online!

Answer 32

Answer 9: Python 2

#327;N.""/class HelloWorld {static void Main() 0{;n***~
#    System.Console.
print(512);
#0}}//4|
#8

A very simple port of Perl to Python, with a distance of 4.

Try it online!

Answer 33

Answer 15: Pyke

"Ａ#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
1024p#rint(512);
#0}}//4|
#β”6904”±r«"$2 16384*s

Substitutes two ' for two ", adds two $, substitutes 0* for 2(space) and adds *s. (8)

"Ａ#327;N<." String literal, put on stack "..."$ Is it all lower? No, so put 0 on the stack instead
"/class HelloWorld...#β”6904”±r«" String literal, put on stack
"..."$ Is it all lower? No, so put 0 on the stack instead
2 16384 Numeric literals, put on stack
* Multiply top two numbers on stack, put 32768 on the stack instead
s Sum the whole stack: replace whole stack with 32768
(implicit print stack)

Try it online!

Answer 34

Answer 18: STATA, distance 10

/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#ß”6904”±r«"$2 
puts 16384 8*/di 2^18

Added /* and /di 2^18

Answer 35

Answer 19: bc, 165 bytes, distance: 6

2^19#/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#ß”6904”±r«"$2 
#puts 16384 8*/di 2^18

Try it online!

Distance:

• Hashes on the first and last line (2)
• 2^19 (4)

Answer 36

Answer 21: 2sable, 161 bytes, distance: 3

2**20$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#ß”6904”±r«"$2 
#puts 16384 8*di 2^18o8*

Try it online!

Distance:

• Inserted o (evaluates 2**a where a is the value on top of stack)
• Inserted 8
• Removed /

Answer 37

Answer 22. Cheddar, distance 10

print 2**22
'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#ß”6904”±r«"$2 
#puts 16384 8*di 2^18o8*'

Try it online!

inserted print, changed a 0 to a 2 to print the evaluation of 2**22; inserted a new line and a ' and added a trailing ' wrapping the rest into an unused string.

Answer 38

Answer 23: Pylons, distance 7

#23#2ejprint 2**22
'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#ß”6904”±r«"$2 
#puts 16384 8*di 2^18o8*'

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Added #23#2ej to the start of the program.

Explanation:

#23#     Push the number 23 to the stack
    2    Push the digit 2 to the stack
     e   Calculate 2^23
      j  Print stack as a string and terminate the program

Answer 39

Answer 25: Pushy, distance 4

2 25e#2ej
printf $[2**24]
#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#ß”6904”±r«"$2 
#puts 16384 8*di 2^18o8*'

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Added 2 25e# to the start of the program, and removed #23#.

Explanation:

2       Push 2
  25    Push 25
    e   Power
     #  Print

I don't have a clue why this works... it just does.

Answer 40

Answer 26: CJam, distance 9

2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'

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That e# at the start saved me much hassle.

Explanation before the e#:

2 25)# e# Program.
2      e# 2.
  25   e# 25.
    )  e# Increment.
     # e# Power.

Added: )#
Removed: \n\n\n\n\n\n\n

Answer 41

Answer 28: MATLAB, distance 9

disp(2^28)%2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'

Helpfully in the last answer, all of the extraneous code was converted into a MATLAB style comment (%) leaving just 27W as code. This can be converted into code for MATLAB using the disp function to display 2^28 without including ans=.

---

I used this calculator for the Levenshtein distance because it nicely handles multi-line inputs.

Answer 42

Answer 30: R, Distance of 9

cat(2**30)#2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'

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Answer 43

Answer 34: Pip, distance 5

2**34  (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'*

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Changed 2^33 to 2**34 (3)

Added a space (1)

Accidentally removed a trailing ) while copying (1)

Explanation:

2**34 is pretty obvious.

Pip counts two spaces as a comment.

Answer 44

Answer 35: Stacked, distance 10

2  35^out (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Try it online! Changelog:

changed (+3): 2**34 => 2  35
inserted (+4): 35 => 35^out
removed: (+3): ”6904”±r« => 6904±r

Answer 45

Answer 36: GolfScript, distance 3

2  36?#out (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

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Explanation:

Changed 35 to 36 (1)
Changed ^ to ? (1)
Added # (1)

Answer 46

Answer 39: Scheme, distance 9

(expt 2 39); ^ exit @ⁿ.óout (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Added (expt (with trailing space)

Changed 8 to 9

Added );

Answer 47

Answer 40: Element, distance 6

2 40^`(expt 2 39); ^ exit @ⁿ.óout (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

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Added 2 40^`

There are no comments or program terminators added, because Element will only print when it comes across a ` character.

Answer 48

Answer 41: J, distance: 6

2^41 NB.`(expt 2 39); ^ exit @ⁿ.óout (*2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Changed from 2 40^ to 2^41 NB.

Answer 49

Answer, 43: Zsh, distance 10

#2^41 NB.`(expt 2 39); ^ exit @ⁿ.óout (*2 32#e#a44******O@)//2 25)#e#2ej#
printf $[2**43]
bye
'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n*
**~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

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Answer 50

Answer 44: VBA, Distance 10

Anonymous immediate window routine that takes no input and outputs to the VBE immediate window.

?2^44'#2^41 NB.`(expt 2 39); ^ exit @n.óout (*2 32#e#a44******O@)//2 25)#e#2ej#printf $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Added ?2^43'and recondensed lines

Answer 51

Answer 45: Fish (shell), distance 10

Finally, a command line shell for the 90s

(c) fishshell.com

math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.óout (*2 32#e#a44******O@)//2 25)#e#2ej#printf $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.#1024p#rint(512);#0}}//4|
#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Note that this does not work on TIO Nexus due to lack of white space in ...45#2..., but works just nice on my fish, version 2.0.0.

Answer 52

Answer 46: Reticular, distance 9

28@P2*Jp;math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.óout (*2 32#e#a44******O@)//2 25)#e#2ej#printf $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.#1024p#rint(512);#0}}//4|
#ß6904±r"$2 #puts 16384 8*di 2^18o8*'*

Added 28@P2*Jp;

Explanation:

2         Push 2
 8@P      Push 8th prime 0-indexed (23)
    2     Push 2
     *    Multiply (46)
      J   Exponentiate
       p  Print
        ; Terminate progrma 

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Answer 53

Answer 55: FOG, distance 8

?92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@)//2 25)#e#2ej
#printf("%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

? does nothing, 92a5* makes 55, 2p@ powers and ends the program, auto-outputting. Also added a newline before #printf.

I inserted 9 before the first 2, 5*2p@ after it.

Answer 54

Answer 54, QBIC, distance 8

?2^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@)//2 25)#e#2ej#printf("%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

• Removed newline
• Added # after the `
• Prepended ?2^54┘
• Removed Herobrine

for a total Levenstein distance of 8.

The # at the start of the previous answer creates a 'silent string literal' in QBIC: it declares and fills A$, but doesn't use it right away. All the code up until the backtick is placed into that string. There is a backtick in that code, so we need to manually add another # to repeat this trick (with B$).

Answer 55

Answer 57: Korn Shell (ksh), distance 10

bc<<<2^57 #x??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@) //2 25)
#e
#2ej
#printf("%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

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Answer 56

Answer 61, Dash, distance 10

"bc"<<x
2^61 
x
#??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ 
exit
 @n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:py print(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Changes:

• Added " after "bc +1
• Replaced < with a newline +1
• Appended x +1
• Replaced 57 with 61 +2
• Removed # +1
• Added newline after x +1
• Added # +1
• Surrounded exit with newlines +2

Total: 1+1+1+2+1+1+1+2=10

Answer 57

Answer 62: Vitsy, distance 9

297*1-^N;"bc"<<x
2^61 
x
#??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ 
exit
 @n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:py print(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

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Added 297*1-^N; (9)

Explanation:

2           2
      ^     to the power of
 9          (9
   *        multiplied by
  7         7
     -      minus
    1       one)
       N    print as integer
        ;   terminate program

Answer 58

Answer 63, C Shell (csh), distance 10

"bc"<<x
2^63 
x
#??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ 
exit
 @n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:py print(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Erased answer #62 by @Okx (sorry !), changed 61 to 63.

Answer 59

Answer 65, Bosh (Schily Bourne Shell), distance 10

#64º,;S)1'a
"bc"<<x
2^65 
x
#??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ 
exit
 @n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:
py 
p
r
i
n
t
(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Added #, newline in front of bc, replaced 63 with 65, the rest are dummy newlines.

Answer 60

Answer 68, Jellyfish, distance 10

PC68º,;n*:"C"
BBc"<<x
2**66
x
#??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ 
qut()
@n.out (*2 32#e#a44******O@) //2 25)
"e
"2ej
:
py 
p
r1ker
s
n
t
(2**60)
"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#

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Answer 61

Answer 13: SOGL 0.8.2, distance 5

Ａ#327;N<.""/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
1024p#rint(512);
#0}}//4|
#β”6904”±r«

A little explanation:

Ａ#327;N<.               do some random stuff
         "...”          push that string
              6904”     push "6904"
                   ±    reverse
                    r   convert to number
                     «  bitshift left

note: to run this you'll have to replace the newlines to ¶ because that's how the interpreter was made to work.

Answer 62

Answer 14 ShapeScript, distance 9

'Ａ#327;N<.""/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
1024p#rint(512);
#0}}//4|
#β”6904”±r«'0*16384

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Place everything in a string by enclosing between two 's, multiply that string by 0 with 0* then push the integers 1, 6, 3, 8, and 4 onto the stack, which then gets implicitly printed.

...should be ripe for a change to ...2*16384.

Answer 63

Answer 16: Ruby, distance 8

#"Ａ#327;N<."$"/class HelloWorld {static void Main() 0{;n***~
#    System<.Console<.<.
#1024p#rint(512);
#0}}//4|
#β”6904”±r«"$2 
puts 16384*4

added 2 #'s, a newline and puts, and changed s to 4.

Answer 64

Answer 32: Convex, distance 7

2 32#e#alert(2**31)//2 25)#e#2ej#printf $[2**24]#'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024p#rint(512);#0}}//4|#ß”6904”±r«"$2 #puts 16384 8*di 2^18o8*'

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Added 2 32#e#.

Explanation:

2       Push 2
  32    Push 32
    #   Power
     e# Line comment

Answer 65

Answer 53, Gnuplot, distance 5

#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@)//2 25)#e#2ej#printf("%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024
print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Answer 66

Answer 56: Qwerty-RPN, distance 7

2 56^#x??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@)//2 25)#e#2ej
#printf("%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

Added 2 56^#x (7)

Explanation:

2       Push 2
 56     Push 56
   ^    Calculate exponent
    #   Print
     x  Terminate program

Unfortunately, there is no online interpreter for this language.

Answer 67

Answer 58: Julia, distance 10

#bc<<<2^57 #x??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@) //2 25)
#e
#2ej
print(2^58) #"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>

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Answer 68

Answer 59, Python 3, Distance of 3

#bc<<<2^57 #x??92a5*2p@^54┘#--2'3k:'2k*.@2(#"#28@P2*Jp;math 2\^45#2^41 NB.`#(expt 2 39); ^ exit @n.out (*2 32#e#a44******O@) //2 25)
#e
#2ej
print(2**59) #"%d" $[2**43]bye'$/*#"A#327;N<."$"/class HelloWorld {static void Main() 0{;n***~#    System<.Console<.<.#1024print(2**53)--0;#0}}//4|#6904r"$2 #puts 16384 8*di 2^18o8*'*[[[268*^?>