不足数

Japanese

Kanji in this term
不	足	数
ふ Grade: 4	そく Grade: 1	すう Grade: 2
on’yomi

Alternative spelling
不足數 (kyūjitai)

Etymology

不足 +‎ 数

Noun

不(ふ)足(そく)数(すう) • (fusokusū)

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

See also

過剰数(かじょうすう) (kajōsū)
完全数(かんぜんすう) (kanzensū)

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