| ||||
|---|---|---|---|---|
| Cardinal | one hundred fifty-six | |||
| Ordinal | 156th (one hundred fifty-sixth)  | |||
| Factorization | 22 × 3 × 13 | |||
| Divisors | 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156 | |||
| Greek numeral | ΡΝϚ´ | |||
| Roman numeral | CLVI | |||
| Binary | 100111002 | |||
| Ternary | 122103 | |||
| Senary | 4206 | |||
| Octal | 2348 | |||
| Duodecimal | 11012 | |||
| Hexadecimal | 9C16 | |||
156 (one hundred [and] fifty-six) is the natural number, following 155 and preceding 157.
In mathematics
156 is an abundant number, a pronic number, a dodecagonal number,[1] and a refactorable number.
156 is the number of graphs on 6 unlabeled nodes.[2]
156 is a repdigit in base 5 (1111), and also in bases 25, 38, 51, 77, and 155.
156 degrees is the internal angle of a pentadecagon.
In the military
- Convoy HX-156 was the 156th of the numbered series of World War II HX convoys of merchant ships from Halifax, Nova Scotia to Liverpool during World War II
 - The Fieseler Fi 156 Storch was a small German liaison aircraft during World War II
 - The German submarine U-156
 - USNS Bull Run (T-AO-156) was a United States Navy T2 tanker during World War II
 - USS Alamosa (AK-156) was a United States Navy cargo ship during World War II
 - USS Captivate (AM-156) was a United States Navy Admirable-class minesweeper during World War II
 - USS City of Dalhart (IX-156) was a United States Navy ship during World War II
 - USS General D. E. Aultman (AP-156) was a United States Navy General G. O. Squier-class transport during World War II
 - USS J. Fred Talbott (DD-156) was a United States Navy Wickes-class destroyer during World War II
 - USS Luiseno (ATF-156) was a United States Navy Abnaki-class tug during World War II
 - USS Mellette (APA-156) was a United States Navy Haskell-class attack transport during World War II
 - USS Reeves (DE-156) was a United States Navy Buckley-class destroyer escort during World War II
 - USS Winchester (SP-156) was a United States Navy fast civilian yacht during World War I
 
In music
- 156, a song by the Danish rock band Mew appearing in both their 2000 album Half the World Is Watching Me and their 2003 album Frengers.
 - NM 156, a 1984 song by the heavy metal band Queensrÿche from the album The Warning
 - 156, a song by the Polish Black Metal band Blaze of Perdition from the 2010 album Towards the Blaze of Perdition
 
In transportation
- The Alfa Romeo 156 car produced from 1997 to 2006.
 - The Ferrari 156 was a racecar made by Ferrari from 1961 to 1963.
 - The Ferrari 156/85 was a Formula One car in the 1985 Formula One season.
 - The Class 156 "Super Sprinter" DMU train.
 - The Midland Railway 156 Class, a 2-4-0 tender engine built in the United Kingdom between 1866 and 1874.
 - London Buses route 156.
 - Martin 156, known as the Russian clipper, was a large flying boat aircraft intended for transoceanic service.
 
In other fields
156 is also:
- The year AD 156 or 156 BC
 - 156 AH is a year in the Islamic calendar that corresponds to 772 – 773 CE
 - 156 Xanthippe is a main belt asteroid with a dark surface
 - The number of hourly gongs a clock strikes in one day (78 AM gongs and 78 PM gongs)
 - The number of sons of Magbish in the Census of the men of Israel upon return from exile (Bible, Ezra 2:30)
 - United States DS-156 visa issued for U.S. Department of State Nonimmigrant Visa Application
 - The atomic number of an element temporarily called Unpenthexium.[3]
 - The Indian Head No. 156, Saskatchewan rural municipality in the Canadian province of Saskatchewan
 
See also
References
- ↑ "Sloane's A051624 : 12-gonal (or dodecagonal) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
 - ↑ "Sloane's A000088 : Number of graphs with n nodes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2021-12-19.
 - ↑ "FLW Incorporated | Specialists in Physical Measurement, Testing, Calibration & Control".
 
External links
Wikimedia Commons has media related to 156 (number).
- The Number 156 Archived 2020-11-26 at the Wayback Machine
 - 156th Street (3rd Avenue El)
 
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