autobiographical numbers
autobiographical numbers is the plural of autobiographical number.
Meaning of autobiographical number
Noun
autobiographical number (plural autobiographical numbers)
- A number in which the first digit counts the number of zeroes in the number, the second digit counts the number of ones, etc. (i.e. the nᵗʰ digit counts the number of the digit n-1).
- Martin Gardner gives a puzzle about a ten-digit autobiographical number 6210001000 in his book “Mathematical Circus” [1]. Discussing the solution to his puzzle he mentions the name “tally numbers” for such numbers.
All autobiographical numbers are calculated by Fred Gavin in [2]. He calls these...2008 March 2, Tanya Khovanova, “Autobiographical Numbers”, in arXiv, page 8
- Martin Gardner gives a puzzle about a ten-digit autobiographical number 6210001000 in his book “Mathematical Circus” [1]. Discussing the solution to his puzzle he mentions the name “tally numbers” for such numbers.
Questions about autobiographical numbers
- What is autobiographical numbers the plural of?
- Autobiographical numbers is the plural of autobiographical number.
Words near autobiographical numbers in the dictionary
Source and license
Adapted from Wiktionary: autobiographical numbers (page history and authors); autobiographical number (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.
Last updated:
Cite this entry: “autobiographical numbers.” Word.ws, https://word.ws/autobiographical_numbers. Based on Wiktionary, CC BY-SA 4.0.