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Sociable number

  • 相亲数链（相亲数链是由若干个正整数组成的链环状，每个数的除本身之外全部因数的和等于下一个数，最后一个数的除本身之外全部因数的和等于第一个数。也称为亲和数链、交际数、社交数）

网络释义英英释义

短语

anti-sociable number 孤立数

Sociable number

  • abstract: Sociable numbers are numbers whose aliquot sums form a cyclic sequence that begins and ends with the same number. They are generalizations of the concepts of amicable numbers and perfect numbers.

以上来源于: WordNet

双语例句权威例句

  • Perfect number, amicable number and anti-sociable numbers are important topics in number theory.

    完全数、相亲数以及孤立数一直是数论研究的一个重要课题。

    youdao

  • A lone acacia tree provides solace to sociable weavers, small birds who have built a number of large, interconnecting nests within its branches.

    一棵形单影只的金合欢树为喜欢群居的织布鸟和在树枝间筑起许多巨大互连鸟巢的小鸟们带来了慰藉。

    youdao

更多双语例句

  • "One example is around safe and sociable driving - I'm absolutely shocked by the number of people that get injured and killed on our roads and yet we do virtually nothing to prepare them, " he said.

    BBC: Martin Surl

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