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单词
perfect number
释义
perfect number
noun
maths
Other entries for this word
perfect square number
noun
DEFINITIONS
1
1
a positive integer that is equal to the sum of all its proper factors
28 is a perfect number since 1 + 2 + 4 + 7 + 14 = 28.
Submitted by:
Samuel Chung from Mexico on 08/09/2018
Noun
☞perfect number
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更新时间:2024/12/23 17:09:09