Japanese edit

Kanji in this term

Grade: 4
そく
Grade: 1
すう
Grade: 2
on’yomi
Alternative spelling
不足數 (kyūjitai)
 
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Etymology edit

不足 +‎

Noun edit

()(そく)(すう) (fusokusū

  1. (number theory) deficient number, a number for which the sum of proper divisors is less than that number

See also edit