Word.ws English Dictionary

vampire number

vampire number noun: a composite natural number with an even number of digits that can be factored into two natural numbers (called "fangs") each with half as many digits as the original number, and where the two factors contain precisely all the digits of the original number, in any order, counting multiplicity.

Noun

vampire number (plural vampire numbers)

  1. A composite natural number with an even number of digits that can be factored into two natural numbers (called "fangs") each with half as many digits as the original number, and where the two factors contain precisely all the digits of the original number, in any order, counting multiplicity.

Forms of vampire number

pluralvampire numbers

Questions about vampire number

What does vampire number mean?
Vampire number means a composite natural number with an even number of digits that can be factored into two natural numbers (called "fangs") each with half as many digits as the original number, and where the two factors contain precisely all the digits of the original number, in any order, counting multiplicity.
What part of speech is vampire number?
Vampire number is a noun.
What is the plural of vampire number?
The plural of vampire number is vampire numbers.

Words near vampire number in the dictionary

  1. vampire gloves
  2. vampire ground finch
  3. vampire ground finches
  4. vampire moth
  5. vampire moths
  6. vampire number
  7. vampire numbers
  8. vampire squid
  9. vampire squids
  10. vampire syndrome
  11. vampire taco

Source and license

Adapted from Wiktionary: vampire 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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