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161 (number)

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Title: 161 (number)  
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Subject: 160 (number), 163 (number), 164 (number), 165 (number), 168 (number)
Collection: Integers
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161 (number)

161 (one hundred [and] sixty-one) is the natural number following 160 and preceding 162.

In mathematics

161 is the sum of five consecutive prime numbers: 23, 29, 31, 37, and 41

161 is a hexagonal pyramidal number.

161 is a semiprime. Since its prime factors 7 and 23 are both Gaussian primes, 161 is a Blum integer.

In the military

In music

In transportation

In other fields

161 is also:

See also

External links

  • Number Facts and Trivia: 161
  • The Number 161
  • VirtueScience: 161


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