n!, which we read "n factorial", is the product of all the positive integers that don't exceed n.  0! is defined as 1.

Contents of this section: Factorials, Consecutive Integer Products Table of Factorials Product of Consecutive Integers Digit Frequency

Table of Factorials -- a table of the first 100 factorials

Product of Consecutive Integers -- a polynomial formula for the product of consecutive integers, and a method using Stirling's Approximation

Digit Frequency -- a table of the frequencies of each digit (base 10) of the factorials from 1 to 500

Internet references

Mathworld: Factorial

Mathworld: Stirling's Approximation

Related pages in this website

Back to the Basic Principles section

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