自然数

日本語

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自然数

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自然 + 数

noun しぜんすう · 自然數

正の整数。有形物の個数や枚数など、ものの数をあらわすのに用いられる数。（0を含めることもある。）「（リンゴなど）1個、2個、3個、4個…」「（本）1冊、2冊、3冊、4冊…」「

In English

natural numbers number theory
natural number positive integer or non-negative integer

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MLA

"自然数." Wiktionary, via Micwyn, micwyn.com/word/ja/%E8%87%AA%E7%84%B6%E6%95%B0. Accessed 7 Nov. 2026.

APA

自然数. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/ja/%E8%87%AA%E7%84%B6%E6%95%B0

Chicago

"自然数." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/ja/%E8%87%AA%E7%84%B6%E6%95%B0.

BibTeX

@misc{micwyn_2026,
  title = {自然数},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ja/%E8%87%AA%E7%84%B6%E6%95%B0},
  urldate = {2026-11-07}
}