repdigit
Pronunciations
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/ˈɹɛpˌdɪd͡ʒɪt/
Pronunciation notes
- General-American
- Received-Pronunciation
Noun
A number composed only of one or more occurrences of one specific digit and no other digit.
- Related words
- Narrower terms
- Examples
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Repdigit Triangular Numbers [article title]
Is there any system of notation in which there is a repdigit aa such that (aa)²#61;ccdd, with c#61;a-1 and d#61;c-1?
More examples (2)
Here is another palindromic magic square that has the added property of having main diagonals containing eight repeating "repdigits": 222, 333, 444, 555, 666, 777, 888, and 999. The magic sum is 2442.
A positive with repeated digit is called a repdigit, for example 222, 55555, and all repunits are repdigits.
Word forms
repdigits