Meaning Of The Word Perfect number

Real Dictionary

What's the definition of Perfect number? Find Perfect number meanings, definitions and more at the Real Dictionary online.

Perfect number Meaning

Perfect number Definition
Perfect number Definition

What's The Definition Of Perfect number?

perfect number in American English
a positive integer which is equal to the sum of all its factors, excluding itself: the first four perfect numbers are 6, 28, 496, and 8,128
noun: a positive number that is equal to the sum of all positive integers that are submultiples of it, as 6, which is equal to the sum of 1, 2, and 3

perfect number in British English
noun: an integer, such as 28, that is equal to the sum of all its possible factors, excluding itself

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