141 (number)

141 (number)

141 is the natural number following 140 and preceding 142.

141
Cardinal one hundred [and] forty-one
Ordinal 141st
(one hundred [and] forty-first)
Factorization 3 \cdot 47
Divisors 1, 3, 47, 141
Roman numeral CXLI
Binary 100011012
Octal 2158
Duodecimal B912
Hexadecimal 8D16

Contents

In mathematics

141 is a centered pentagonal number. It is the sum of the sums of divisors of the first thirteen integers.

141 is the second n to give a prime Cullen number (of the form n2n + 1).[1]

141 is an undulating number in base 10, with the previous being 131, and the next being 151.

141 is the sixth hendecagonal (11-gonal) number.

141 is 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.

In the military

In sports

In transportation

In TV and Radio

In other fields

141 is also:

See also

References

  1. ^ Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 139
  2. ^ http://www.kfor.com/global/Story.asp?s=5690602

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