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deficient number

Noun CEFR B2

Definitions

A number that is greater than the sum of all of its divisors except itself.

Equivalents

3 more languages
日本語不足数
한국어부족수
Svenskadefekt tal

Examples

“The factors of 22 are 1, 2 and 11 and 22, and 1 + 2 + 11 = 14, which is less than 22, so 22 is a deficient number⟳.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

Deficiently deficientness deficit deficit good deficit hawk deficit spending

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