deficient number
noun Mathematics.
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.
RELATED CONTENT
Hyper vs. HypoLet’s start from the top: Hyper- is a prefix that means excess or exaggeration, while hypo- is another prefix that means under or beneath. Both hyper and hypo are usually used as prefixes, which are elements or partial words added to the beginning of a base word to modify its meaning. Hyper is derived from the Greek word for over, and hypo is a Greek …
Nearby words
deficiency account, deficiency disease, deficiency judgment, deficiency symptom, deficient, deficient number, deficiently, deficit, deficit financing, deficit spending, defier
Compare abundant number, perfect number.
Origin of deficient number
First recorded in 1720–30
Also called defective number.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019