完全数

Chinese

For pronunciation and definitions of 完全数 – see 完全數 (“perfect number”). (This term is the simplified form of 完全數).

Notes: Simplified Chinese is mainly used in Mainland China, Malaysia, and Singapore. Traditional Chinese is mainly used in Hong Kong, Macau, and Taiwan.

Japanese

Kanji in this term
完	全	数
かん Grade: 4	ぜん Grade: 3	すう Grade: 2
on'yomi

Alternative spelling
完全數 (kyūjitai)

Etymology

完全(かんぜん) (kanzen) + 数(すう) (-sū)

Pronunciation

• IPA^(key): [kã̠nd͡zẽ̞ɰ̃sɨː]
• (Tokyo) かんぜんすう [kàńzéꜜǹsùù] (Nakadaka – [3])

Noun

完(かん)全(ぜん)数(すう) • (kanzensū) 

1. (number theory) perfect number, a positive integer that is equal to the sum of its positive divisors, excluding the number itself

See also

• 過剰数(かじょうすう) (kajōsū)
• 不足数(ふそくすう) (fusokusū)