Emirp
Definition, Meaning & Examples
Part of speech noun
Quick meaning: Emirp is a noun meaning (number theory) A prime number that becomes a different prime when its decimal digits (or digits in some specified other base) are reversed.
Meaning
(number theory) A prime number that becomes a different prime when its decimal digits (or digits in some specified other base) are reversed.
Example Sentences
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, .
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.
Word Forms
- emirps
Related Words
Related dictionary entries include semiprime, repdigit, biprime, megaprime, primorial, repeater.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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