English Explanatory Dictionary

vampire number

English dictionary entry

Meanings

noun
  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.

Word forms

vampire number vampire numbers
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on V Russian dictionary Dahl dictionary