Table factoral

Factorial an arbitrary integer is determined by the formula:

By definition, the factorial of

Factorial equal to the number of permutations of elements.

In combinatorics , the factorial of a natural number is interpreted as the number of permutations (ordering) of the set with elements. For example, the set {A, B, C, D} of 4 elements there are changes:

Table factoral numbers from 1 to 25

 

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