e/Primeval number

Information
has gloss	eng: In mathematics, a primeval number is a natural number n for which the number of prime numbers which can be obtained by permuting all or some of its digits (in base 10) is larger than the number of primes obtainable in the same way for any smaller natural number. Primeval numbers were first described by Mike Keith.
lexicalization	eng: primeval number
instance of	(noun) an integer that has no integral factors but itself and 1 prime number