Repdigit

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

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At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

In recreational mathematics, a repdigit or sometimes monodigit is a natural number composed of repeated instances of the same digit in a positional number system (often implicitly decimal). The word is a portmanteau of "repeated" and "digit".

Excerpt from the Wikipedia article “Repdigit”, under the CC BY-SA 4.0 license. Read the article on Wikipedia