183 (number)

183 (one hundred [and] eighty-three) is the natural number following 182 and preceding 184.

In mathematics[]

183 is an odd number
183 is a central polygonal number, $n^{2}-n+1$ , where $n=14$ (OEIS: A002061)
183 is a composite number
183 is a deficient number, as 65, the sum of its proper divisors, is less than 183
183 is a perfect totient number equal to the sum of its iterated totients^[1]
183 is a repdigit number in base 13 (111)
183 is a semiprime number, (also called biprime, or 2-almost prime, or pq number), a natural number that is the product of two prime numbers
183 is a square-free number
183 is the difference of 2 square numbers: 32² - 29²
183 has 4 divisors: 1, 3, 61, 183
183 is a number of points in projective plane over the Galois field GF(13)
183 is a 62-gonal number

183rd Airlift Squadron is a unit of the Mississippi Air National Guard. Its parent unit is the 172d Airlift Wing
183rd Battalion (Manitoba Beavers), CEF was a unit in the Canadian Expeditionary Force based in Winnipeg, Manitoba during World War I
183rd Fighter Wing is a United States Air Force unit at Capitol Airport in Springfield, Illinois
Focke-Wulf Ta-183 Huckebein was a German jet-powered fighter aircraft during World War II
USNS Henry Gibbins (T-AP-183) was a troop transport during World War II
USS Glacier (AK-183) was a United States Navy Alamosa-class cargo ship during World War II
USS Haraden (DD-183) was a United States Navy Wickes-class destroyer following World War I
USS Samuel S. Miles (DE-183) was a Cannon-class destroyer escort during World War II
USS Seal (SS-183) was a Salmon-class submarine during World War II
was a Flower-class corvette of the Royal Navy. She was transferred to the Free French Naval Forces (FNFL) as the corvette
HMAS Cairns (J183) was a Bathurst-class corvette of the Royal Australian Navy during World War II

183 Club is a Taiwanese boyband whose average height of the original five members was about 183 cm

London Buses route 183
The Volkswagen Type 183
183 series is a DC electric multiple unit engine in Japan
The USAIR Airbus A321-200 airplane holds 183 passengers
New York City Subway stations include:
- 183rd Street station on the elevated IRT Jerome Avenue Line of the New York City Subway
- 182nd–183rd Streets local station on the IND Concourse Line of the New York City Subway
- 183rd Street was a station on the demolished IRT Third Avenue Line of the New York City Subway

183 is also:

The year AD 183 or 183 BC
The atomic number of an element temporarily called Unocttrium^[2]
TAKI 183, a former New York City graffiti artist with an address on 183rd Street, featured in Bomb It, a documentary
Pavel 183 (1983–2013), Moskow street art artist
183 Istria is a stony main belt asteroid
Bill 183, an Ontario law is an act respecting the disclosure of information and records between parties involved in adoptions

^ Sloane, N. J. A. (ed.). "Sequence A082897 (Perfect totient numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-26.
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