Jordan–Pólya number
id:
jordan-p-lya-number-274-5932111
title:
Jordan–Pólya number
text:
In mathematics, the Jordan–Pólya numbers are the numbers that can be obtained by multiplying together one or more factorials, not required to be distinct from each other. For instance, 480 is a Jordan–Pólya number because 480 = 2 ! ⋅ 2 ! ⋅ 5 ! . Every tree has a number of symmetries that is a Jordan–Pólya number, and every Jordan–Pólya number arises in this way as the order of an automorphism group of a tree. These numbers are named after Camille Jordan and George Pólya, who both wrote about the
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https://en.wikipedia.org/wiki/Jordan%E2%80%93P%C3%B3lya_number
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date modified:
2023-02-03T22:13:11Z
main entity:
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