偶数

日本語 · Thesaurus

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偶数

Where it comes from

二つ組という意味を持つ「偶」と「数」を組み合わせたもの。

noun ぐうすう

整数のうち、二で割り切れる数。2n (n は整数)の形で表すことができる。十進法では一の位が0,2,4,6,8のいずれかであれば偶数となり、二進法では一の位が0になっていれば偶数である。

Opposite: 奇数

Thesaurus

noun

Opposite: 奇数

In English

even arithmetic: divisible by two
even number positive integer that can be divided by two

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MLA

"偶数." Wiktionary, via Micwyn, micwyn.com/word/ja/%E5%81%B6%E6%95%B0. Accessed 6 Nov. 2026.

APA

偶数. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ja/%E5%81%B6%E6%95%B0

Chicago

"偶数." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ja/%E5%81%B6%E6%95%B0.

BibTeX

@misc{micwyn_2026,
  title = {偶数},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ja/%E5%81%B6%E6%95%B0},
  urldate = {2026-11-06}
}