Kempner function

In number theory, the Kempner function S(n) is defined for a given positive integer n to be the smallest number s such that n divides the factorial s!. For example, the number 8 does not divide 1!, 2!, 3!, but does divide 4!, so S(8) = 4.

单词	Smarandache function
释义	Smarandache function 英语百科 Kempner function In number theory, the Kempner function S(n) is defined for a given positive integer n to be the smallest number s such that n divides the factorial s!. For example, the number 8 does not divide 1!, 2!, 3!, but does divide 4!, so S(8) = 4.
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Smarandache function

Kempner function