S001031


Prime numbers whose reverse in base 10 is also prime.

2, 3, 5, 7, 11, 13, 17, 31, 37, 71, 73, 79, 97, 101, 107, 113, 131, 149, 151, 157, 167, 179, 181, 191, 199, 311, 313, 337, 347, 353, 359, 373, 383, 389, 701, 709, 727, 733, 739, 743, 751, 757, 761, 769, 787, 797, 907, 919, 929, 937, 941, 953, 967, 971, 983

1

S001031

There appear to be an infinite number of these primes. For the subset containing only digits 0 and 1, see S001032.

T. D. Noe, Plot of 1759 terms (terms < 10^5)

T. D. Noe, Table of 1759 terms (terms < 10^5)

Eric W. Weisstein, MathWorld: Prime Number

(Mma) Union[Select[Table[FromDigits[Reverse[IntegerDigits[Prime[n]]]], {n, PrimePi[10^4]}], PrimeQ]]

Cf. A000040, S001032.

nonn,base

T. D. Noe, May 22 2017

© Tony D Noe 2014-2017