Word.ws English Dictionary

untouchable number

untouchable number noun: a positive integer that cannot be expressed as the sum of all the proper divisors of any positive integer (including the untouchable number itself).

Noun

untouchable number (plural untouchable numbers)

  1. A positive integer that cannot be expressed as the sum of all the proper divisors of any positive integer (including the untouchable number itself).

Forms of untouchable number

pluraluntouchable numbers

Questions about untouchable number

What does untouchable number mean?
Untouchable number means a positive integer that cannot be expressed as the sum of all the proper divisors of any positive integer (including the untouchable number itself).
What part of speech is untouchable number?
Untouchable number is a noun.
What is the plural of untouchable number?
The plural of untouchable number is untouchable numbers.

Words near untouchable number in the dictionary

  1. untotalled
  2. untottering
  3. untouch
  4. untouchability
  5. untouchable
  6. untouchable number
  7. untouchable numbers
  8. untouchableness
  9. untouchables
  10. untouchably
  11. untouched

Source and license

Adapted from Wiktionary: untouchable 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.

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