Английская Википедия:275 (number)

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275 (two hundred [and] seventy-five) is the natural number following 274 and preceding 276.

In mathematics

  • 275 is an odd composite number with 2 prime factors.[1]
  • 275 is equivalent to the number of partitions of 28 when no partition occurs only once. Partitions are the number of ways of writing a number as a sum of other positive integers.[2]
  • 275 is the sum of fifth powers of the first two primes (2^5 + 3^5 = 275).
  • 275 is the maximum number of pieces made by cutting an annulus with 22 cuts.[3]
  • 275 is the smallest non semiprime that follows the equations n>1 and the greatest common denominator of n and b^n-b is 1 for some value of b.[4]

World Records

Other fields

References

Шаблон:Reflist Шаблон:Integers

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