# 141 (number)

This article may contain indiscriminate, excessive, or irrelevant examples. (June 2010) |

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Cardinal | one hundred forty-one | |||

Ordinal |
141st (one hundred forty-first) | |||

Factorization | 3 × 47 | |||

Divisors | 1, 3, 47, 141 | |||

Greek numeral | ΡΜΑ´ | |||

Roman numeral | CXLI | |||

Binary |
10001101_{2} | |||

Ternary |
12020_{3} | |||

Quaternary |
2031_{4} | |||

Quinary |
1031_{5} | |||

Senary |
353_{6} | |||

Octal |
215_{8} | |||

Duodecimal |
B9_{12} | |||

Hexadecimal |
8D_{16} | |||

Vigesimal |
71_{20} | |||

Base 36 |
3X_{36} |

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

## Contents

## In mathematics[edit]

**141** is:

- a centered pentagonal number.
^{[1]} - the sum of the sums of the divisors of the first 13 positive integers.
^{[2]} - the second
*n*to give a prime Cullen number (of the form*n*2^{n}+ 1).^{[3]} - an undulating number in base 10, with the previous being 131, and the next being 151.
- the sixth hendecagonal (11-gonal) number.
^{[4]} - 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[edit]

- 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 August 12, 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[edit]

- London Buses route 141 is a Transport for London contracted bus route in London
- 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 Aériens de Guinée UTA Flight 141 charter, 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[edit]

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

## See also[edit]

- List of highways numbered 141
- United Nations Security Council Resolution 141
- United States Supreme Court cases, Volume 141

## References[edit]

**^**"Sloane's A005891 : Centered pentagonal numbers".*The On-Line Encyclopedia of Integer Sequences*. OEIS Foundation. Retrieved 2016-05-27.**^**Sloane, N.J.A. (ed.). "Sequence A024916 (sum_{k=1..n} sigma(k) where sigma(n) = sum of divisors of n)".*The On-Line Encyclopedia of Integer Sequences*. OEIS Foundation.**^**Wells, D.*The Penguin Dictionary of Curious and Interesting Numbers*London: Penguin Group. (1987): 139**^**"Sloane's A051682 : 11-gonal (or hendecagonal) numbers".*The On-Line Encyclopedia of Integer Sequences*. OEIS Foundation. Retrieved 2016-05-27.