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 Documentation / Mathematica / Built-in Functions / Mathematical Functions / Factorial Related  /
Factorial

  • n ! gives the factorial of n.
  • Mathematical function (see Section A.3.10).
  • For non-integer n, the numerical value of n ! is given by Gamma[1 + n ].
  • See the Mathematica book: Section 1.1.3Section 3.2.5.
  • See also: Gamma, Binomial.

    Further Examples

    Here is a table of the first 20 factorials.

    In[1]:=

    Out[1]//TableForm=