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不足数
noun
(number theory) deficient number, a number for which the sum of proper divisors is less than that number
友愛数
noun
(number theory) amicable numbers, two different numbers related in such a way that the sum of the proper divisors of each is equal to the other number.
小倉百人一首
name
the famous of the “one hundred poems by one hundred poets” anthologies, compiled by Fujiwara no Teika in c. 1235, used in the basis of certain card games
百正
num
A billion quintillion, 10⁴², or a septillion of dated British or Australian English, in modern Japanese since 17th century.
百越
name
Baiyue (the "hundred Yue tribes" to China's south between the first millennium BC and the first millennium AD)
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