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125 (number)

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Title: 125 (number)  
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125 (number)


125 (ones hundred [and] twenty-five) is the natural number following 124 and preceding 126.

Contents

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

In mathematics

125 is the cube of 5. It can be expressed as a sum of two squares in two different ways, 125 = 10² + 5² = 11² + 2².[1]

125 and 126 form a Ruth-Aaron pair under the second definition in which repeated prime factors are counted as often as they occur.

Like many other powers of 5, it is a Friedman number in base 10 since 125 = 51 + 2.

In the military

In transportation

In other fields

125 is also:

See also

References

  1. ^ Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 136
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