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deficient number. In DICTIOUS you will not only get to know all the dictionary meanings for the word
deficient number, but we will also tell you about its etymology, its characteristics and you will know how to say
deficient number in singular and plural. Everything you need to know about the word
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English
Noun
deficient number (plural deficient numbers)
- (number theory) A number that is greater than the sum of all of its divisors except itself.
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.
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