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141 (number)

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Title: 141 (number)  
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Subject: 142 (number), 143 (number), 144 (number), 145 (number), 149 (number)
Collection: Integers
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141 (number)

140 141 142
Cardinal one hundred forty-one
Ordinal 141st
(one hundred and forty-first)
Factorization 3 × 47
Divisors 1, 3, 47, 141
Roman numeral CXLI
Binary 100011012
Ternary 120203
Quaternary 20314
Quinary 10315
Senary 3536
Octal 2158
Duodecimal B912
Hexadecimal 8D16
Vigesimal 7120
Base 36 3X36

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


  • In mathematics 1
  • In the military 2
  • In transportation 3
  • In other fields 4
  • See also 5
  • References 6

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 transportation

In other fields

141 is also:

See also


  1. ^ Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 139
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