167 (???)

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' 167 ( ???? ????? ? ???? ) ?? ??? ???? . [1] [2] [3] [4] ??? ????? 166 ????? ????? 168 ??? ??? ????? ???? ???? ????? ???? ???? .

??????? [ ??? ]

  • ?? ??? ???? ???
  • ??? ???? ??? ?? ?? 167 ???? ? 167 + 2 ???? ?? ??? ???? (?? ??? ?????? 167 + 2 ??? ????).
  • ?? ??? ????????? ???? ?????.
  • ?? ??? ???? ?? ????? ?? 163 ( 4-167 ??? ????).
  • ?? ???? ??? ???? ????? ?? ?? 761 ???? ????
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  • ??? ???? ????: ????? ?????? ?????? ?? ????? ???? ??? ???? ???? ?????? ?? ??????? ???????. ? ???? ??????? ??? ??????? ???????? ????? ????? ??????? ????? ????? ????. ????? ??????? ??????? ??????? ??? ?????? ??????? ??????? ??????? ??  :

167 ??? ???? ??? 167 ????? ?? ??????? ??????? 1 ? 6 ? 7 ? 1² + 6² + 7² = 1 + 36 + 49 = 86

??????? 86 ????? ?? 6 ? 8 ? 8² + 6² = 36 + 64 = 100

??????? 100 ????? ?? 1 ? ????? ? 1² + 0² + 0² = 1 ??? 167 ??? ???? ????

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  • ??? ???? ????: ????? ?????? ?????? ?? ????? ???? ???? ???????? : ??? b ???? ????? ??p
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  1. ^ ????? ??????? ? Natural Number ? ???????? Mathworld (?????? ?????????? ) .
  2. ^ "natural number" ? Merriam-Webster.com ? ?????? ????? ? ????? ?? ????? ?? 2019-12-13 ? ???? ???? ?????? 2014-10-04
  3. ^ Carothers (2000) says: "? is the set of natural numbers (positive integers)" (p. 3)
  4. ^ Mac Lane & Birkhoff (1999) include zero in the natural numbers: "Intuitively, the set ? = {0, 1, 2, ...} of all "natural numbers" may be described as follows: ? contains an "initial" number 0; ...". They follow that with their version of the Peano Postulates. (p. 15)