imperfect number

noun

Definition of imperfect number

: a number (as 15) that is not equal to the sum of its divisors — compare perfect number — see abundant number, deficient number

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Cite this Entry

“Imperfect number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/imperfect%20number. Accessed 2 Dec. 2020.

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