Factorial/Related Articles

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A list of Citizendium articles, and planned articles, about Factorial.
See also changes related to Factorial, or pages that link to Factorial or to this page or whose text contains "Factorial".

Parent topics

  • Combinatorics [r]: Branch of mathematics concerning itself, at the elementary level, with counting things. [e]
  • Special function [r]: Various families of solution functions corresponding to cases of the hypergeometric equation or functions used in the equation's study, such as the gamma function. [e]
  • Meromorphic functions [r]: Function of complex variables which is analytic in its domain of definition save at a finite number of points which are poles. [e]


  • Stirling's formula [r]: An approximation to the factorial function far from the negative part of the real axis. [e]

Other related topics

  • Binomial coefficient [r]: The number of possible choices of k elements out of n elements, disregarding order. [e]
  • Gamma function [r]: A mathematical function that extends the domain of factorials to non-integers. [e]