Word.ws English Dictionary

repdigit

Syllables: rep·di·git/ˈɹɛpˌdɪd͡ʒɪt/

repdigit noun: a number composed only of one or more occurrences of one specific digit and no other digit.

repdigit: a number composed only of one or more occurrences of one specific digit and no other digit
Image: Qpqqqq, Public domain, via Wikimedia Commons

Noun

repdigit (plural repdigits)

  1. (recreational mathematics) A number composed only of one or more occurrences of one specific digit and no other digit.
    • Repdigit Triangular Numbers [article title]1975, David W. Ballew, Ronald C. Weger, “Repdigit Triangular Numbers”, in Journal of Recreational Mathematics, volume 8, number 2, Farmingdale, N.Y.: Baywood Publishing Co., →ISSN, →OCLC, pages 96–98
    • 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?1980 January, Murray S[eymour] Klamkin, quoting Charles W. Trigg, “The Olympiad Corner: 11”, in Crux Mathematicorum, volume 6, number 1, Ottawa, Ont.: Canadian Mathematical Society, →ISSN, →OCLC...

repdigit meaning in Tamil

repdigit in Tamil

number composed of one digit
ஒற்றெண் oṟṟeṇ

Examples of repdigit in a sentence

  • 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 999.2002, Clifford A[lan] Pickover, “Gallery I: Squares, Cubes, and Tesseracts”, in The Zen of Magic Squares, Circles, and Stars: An Exhibition...
  • A positive with repeated digit is called a repdigit, for example 222, 55555, and all repunits are repdigits.2005, James J[oseph] Tattersall, “Modular Arithmetic”, in Elementary Number Theory in Nine Chapters, 2nd edition, Cambridge: Cambridge...

Forms of repdigit

pluralrepdigits

Origin of repdigit

Blend of rep(eated) + digit.

Questions about repdigit

What does repdigit mean?
Repdigit means a number composed only of one or more occurrences of one specific digit and no other digit.
What is repdigit in Tamil?
Repdigit in Tamil is ஒற்றெண் (oṟṟeṇ). See Repdigit meaning in Tamil.
How do you use repdigit in a sentence?
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.
What part of speech is repdigit?
Repdigit is a noun.
How do you pronounce repdigit?
Repdigit is pronounced /ˈɹɛpˌdɪd͡ʒɪt/ (UK).
What is the plural of repdigit?
The plural of repdigit is repdigits.

Words near repdigit in the dictionary

  1. repayments
  2. repayor
  3. repayors
  4. repays
  5. repchad
  6. repdigit
  7. repdigits
  8. repeal
  9. repealability
  10. repealable
  11. repealed

Source and license

Adapted from Wiktionary: repdigit (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-repdigit.wav.

Cite this entry: “repdigit.” Word.ws, https://word.ws/repdigit. Based on Wiktionary, CC BY-SA 4.0.