186 (number)
186 (one hundred [and] eighty-six) is the natural number following 185 and preceding 187.
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| Cardinal | one hundred eighty-six | |||
| Ordinal | 186th (one hundred eighty-sixth) | |||
| Factorization | 2 × 3 × 31 | |||
| Greek numeral | ΡΠϚ´ | |||
| Roman numeral | CLXXXVI | |||
| Binary | 101110102 | |||
| Ternary | 202203 | |||
| Quaternary | 23224 | |||
| Quinary | 12215 | |||
| Senary | 5106 | |||
| Octal | 2728 | |||
| Duodecimal | 13612 | |||
| Hexadecimal | BA16 | |||
| Vigesimal | 9620 | |||
| Base 36 | 5636 | |||
In mathematics
- 186 is an even number
- 186 is an abundant number, as 198 is greater than 186
- 186 is a composite number
- There is no integer with exactly 186 coprimes less than it. 186 is a nontotient, nor is it ever the difference between an integer and the total of coprimes below it, thus also a noncototient
- 186 is an odious number
- 186 is a sphenic number, so the Möbius function returns -1 (and the Mertens function returns -4)
- 186 is a square-free number
- 186 is a 14-gonal number[1] and a 63-gonal number[2]
- 186 factors: 2 × 3 × 31
- 186 divisors: 1, 2, 3, 6, 31, 62, 93, 186
- There are 186 degree-11 irreducible polynomials over a Galois field with 2 elements (sequence A001037 in the OEIS)
In astronomy
- 186 Celuta is a large S-type asteroid Main belt asteroid
- POX 186 is a small galaxy still forming
In geography
- Abernethy No. 186, Saskatchewan is a rural municipality in Saskatchewan, Canada
In the military
- RFA Fort Rosalie (A186) was a Royal Fleet Auxiliary armament stores carrier following World War II
- USNS Bessemer (T-AG-186) was a United States Navy Victory ship during World War II
- USS Clemson (DD-186) was a United States Navy destroyer during World War II
- USS Dawn (IX-186) was a United States Navy tanker ship during World War II
- USS Habersham (AK-186) was a United States Navy Alamosa-class cargo ship during World War II
- USS Platte (AO-186) was a United States Navy Cimarron-class ship from 1981–1999
- USS Stingray (SS-186) was a United States Navy Salmon-class submarine during World War II
- USS Swearer (DE-186) was a United States Navy Cannon-class destroyer escort during World War II
In transportation
- The 186 is a legendary 6-cylinder Holden engine (L6), that was first used in the Holden HR series. It has a piston displacement of 186 cubic inches (3048cc).
- London Buses route 186
- Cosmos 186 and Cosmos 188 incorporated a Soyuz programme descent module for landing scientific instruments and test objects
In other fields
186 is also:
- The year AD 186 or 186 BC
- The atomic number of an element temporarily called Unocthexium
- Minuscule 186 is a Greek minuscule manuscript of the New Testament, on parchment
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See also
References
- Sloane, N. J. A. (ed.). "Sequence A051866 (14-gonal numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
- Sloane, N. J. A. (ed.). "Sequence A098140 (63-gonal numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
External links
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Wikimedia Commons has media related to 186 (number). |
- Number Facts and Trivia: 186
- The Number 186
- The Positive Integer 186
- Prime curiosities: 186
- Number Gossip: 186
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