English Explanatory Dictionary

sociable number

English dictionary entry

Meanings

noun
  1. Any of a sequence of numbers having the property that the sum of the divisors of each, excluding itself, is equal to the next number in the sequence; in the case of the last number of the sequence, the sum of the divisors, excluding that number, is equal to the first number of the sequence.

Word forms

sociable number sociable numbers

Related words

abundant number amicable numbers deficient number perfect number
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