141 (number)

141 (one hundred [and] forty-one) is the natural number following 140 and preceding 142.

In mathematics
141 is:
 * a centered pentagonal number.
 * the sum of the sums of the divisors of the first 13 positive integers.
 * the second n to give a prime Cullen number (of the form n2n + 1).
 * an undulating number in base 10, with the previous being 131, and the next being 151.
 * the sixth hendecagonal (11-gonal) number.
 * a semiprime: a product of two prime numbers, namely 3 and 47. Since those prime factors are Gaussian primes, this means that 141 is a Blum integer.
 * a Hilbert prime

In the military

 * The Lockheed C-141 Starlifter was a United States Air Force military strategic airlifter
 * K-141 Kursk was a Russian nuclear cruise missile submarine, which sank in the Barents Sea on 12 August 2000
 * USS Alchemy (AM-141) was a United States Navy Admirable-class minesweeper ship during World War II
 * USS Buckingham (APA-141) was a United States Navy Haskell-class attack transport during World War II
 * USS General A. W. Greely (AP-141) was a United States Navy General G. O. Squier-class transport during World War II
 * USS Hamilton (DD-141) was a United States Navy Wickes-class destroyer following World War I
 * USS Hill (DE-141) was a United States Navy Edsall-class destroyer escort during World War II

In transportation

 * London Buses route 141 is a Transport for London contracted bus route in London
 * 141 Nottingham–Sutton-in-Ashfield is a bus route in England
 * The 141 C Ouest was a 2-8-2 steam locomotive of the Chemin de fer de l'État
 * British Rail Class 141 was the first production model of the Pacer diesel multiple units
 * Union des Transports Africains de Guinée Flight 141, which crashed in the Bight of Benin on December 25, 2003
 * The Saipa 141 car produced by SAIPA
 * The Córas Iompair Éireann 141 class locomotive from General Motors Electro-Motive Division in 1962

In other fields
141 is also:
 * The year AD 141 or 141 BC
 * 141 AH is a year in the Islamic calendar that corresponds to 759 – 760 CE
 * 141 Lumen is a dark C-type, rocky asteroid orbiting in the asteroid belt
 * The atomic number of unquadunium, a temporary chemical element
 * The telephone dialing prefix for withholding one's Caller ID in the United Kingdom
 * Psalm 141
 * Sonnet 141 by William Shakespeare