emirp

Hello, you have come here looking for the meaning of the word emirp. In DICTIOUS you will not only get to know all the dictionary meanings for the word emirp, but we will also tell you about its etymology, its characteristics and you will know how to say emirp in singular and plural. Everything you need to know about the word emirp you have here. The definition of the word emirp will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofemirp, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

Etymology

prime spelled backwards.

Noun

emirp (plural emirps)

  1. (number theory) A prime number that becomes a different prime when its decimal digits (or digits in some specified other base) are reversed.
    The sequence of emirps begins: 13, 17, 31, 37, 71, 73, 79, 97, 107, ...
    The first few emirps in base 12 (using the convention T for ten and E for eleven) are: 15, 51, 57, 5E, 75, E5, 107, ...
    • 1986, Malcolm E. Lines, A Number for your Thoughts, Taylor & Francis, page 39:
      Therefore we do not yet know whether the general emirps go on forever or whether they too eventually end with a largest emirp of all.

Usage notes

  • A palindromic prime is not considered an emirp.
  • The term reversible prime is generally synonymous with emirp, but sometimes includes palindromic primes. (See Emirp on Wikipedia.Wikipedia )

Further reading

Anagrams

Wikious
Boobota
Sagapedia