repdigit
- n. 重复数字：一个整数，其所有数字都相同。例如：11、222、3333等。
Repdigit
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abstract:
In recreational mathematics, a repdigit is a natural number composed of repeated instances of the same digit in a positional number system (often implicitly decimal). The word repdigit is a portmanteau, formed from repeated digit.
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WordNet