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Pronunciation varies by accent · noun
(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, ...
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.
Use emirp when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Emirp means (number theory) A prime number that becomes a different prime when its decimal digits (or digits in some specified other base) are reversed..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The sequence of emirps begins: 13, 17, 31, 37, 71, 73, 79, 97, 107, ...
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