Dictionary


defi'cient num'ber



Math.
a positive number that is greater than the sum of all positive integers that are submultiples of it, as 10, which is greater than the sum of 1, 2, and 5. Also called defective number. Cf. abundant number, perfect number.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

deficientdeficit

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