177 (number)

177 (one hundred [and] seventy-seven) is the natural number following 176 and preceding 178.

← 176 177 178 →
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Cardinal	one hundred seventy-seven
Ordinal	177th (one hundred seventy-seventh)
Factorization	3 × 59
Divisors	1, 3, 59, 177
Greek numeral	ΡΟΖ´
Roman numeral	CLXXVII
Binary	101100012
Ternary	201203
Quaternary	23014
Quinary	12025
Senary	4536
Octal	2618
Duodecimal	12912
Hexadecimal	B116
Vigesimal	8H20
Base 36	4X36

In mathematics

• 177 is an odd number
• 177 is a composite number
• 177 is a deficient number, as 63 is less than 177
• 177 is a Leyland number since it can be expressed as 2⁷ + 7²
• 177 is a square-free number
• 177 is an Ulam number
• 177 is a 60-gonal number[1]
• Divisors of 177: 1, 3, 59, 177
• 177 is a semiprime: a product of two prime numbers (3 and 59)
• Since the prime factors (3 and 59) are Gaussian primes, 177 is a Blum integer
• 177 is a digitally balanced number: in its binary numeral system representation, it has the same number of zeros as ones (10110001)
• 177 is the magic constant of a magic square using only Chen primes
• 177 is the smallest magic constant for a 3 x 3 prime magic square

${\displaystyle {\begin{bmatrix}17&89&71\\113&59&5\\47&29&101\end{bmatrix}}.}$

In astronomy

• 177 Irma is a large and dark Main belt asteroid
• Arp 177, APG 177 or VV 840 is a group of galaxies in the constellation Boötes
• Comet 177P/Barnard is a periodic comet in the solar system

In the military

• Heinkel He 177 Greif was a German long-range bomber during World War II
• Saunders-Roe SR.177 project to develop a jet- and rocket-powered interceptor aircraft for the British Royal Air Force and Navy during the 1950s
• WE.177 was the last air-launched nuclear bomb of the British Armed Forces
• USNS Shearwater (T-AG-177) was a United States Navy Shearwater-class miscellaneous auxiliary ship during World War II
• USS Cimarron (AO-177) was a United States Navy Cimarron-class oil tanker from 1978 to 1981
• USS Europa (AP-177) was a United States Navy transport ship following World War II
• USS Kingsbury (APA-177) was a United States Navy Haskell-class attack transport ship during World War II
• USS O'Bannon (DD-177) was a United States Navy Wickes-class destroyer following World War I
• USS Pickerel (SS-177) was a United States Navy Porpoise-class submarine during World War II
• USS Reybold (DE-177) was a United States Navy Cannon-class destroyer escort during World War II
• 177th Fighter Wing is an Air National Guard fighter unit at Atlantic City International Airport, New Jersey

In transportation

• Cessna 177 aircraft
• Aston Martin One-77
• London Buses route 177
• New York City Subway stations include:
  • Parkchester (IRT Pelham Line), a station at East 177th Street and Westchester Avenue, The Bronx, serving the 6 and <6>​ trains
  • West Farms Square – East Tremont Avenue (IRT White Plains Road Line), a station at 177th Street and East Tremont Avenue, The Bronx, serving the 2 and ​5 trains
  • 175th Street (IND Eighth Avenue Line), a station at 175th Street and Fort Washington Avenue, Manhattan, serving the A train
  • Tremont Avenue – 177th Street (IRT Third Avenue Line), a demolished station at Tremont and Third Avenues in the Bronx

.177 calibre

• .177 calibre (4.5 mm) is the smallest size of pellets used in airguns
  • This calibre is used for hunting small game such as rabbits and pigeons.
  • BAM B26 .177 calibre air rifle
  • Benelli Kite .177 calibre air pistol
  • Benelli Kite Young .177 calibre air pistol
  • National CO2 .177 calibre air pistol

In other fields

177 is also:

• The year AD 177 or 177 BC
• 177 AH is a year in the Islamic calendar that corresponds to 793 – 794 CE
• 177 is a Bishōjo game released for the NEC PC-8801 system by DB Soft in 1986

See also

• List of highways numbered 177
• United Nations Security Council Resolution 177
• United States Supreme Court cases, Volume 177
• Pennsylvania House of Representatives, District 177

External links

• Number Facts and Trivia: 177
• The Number 177
• The Positive Integer 177
• VirtueScience: 177
• Number Gossip: 177

References

1. "Sloane's A249911 : 60-gonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.