A059701 Primes p such that p^8 reversed is also prime.

23, 139, 239, 241, 409, 431, 577, 647, 761, 787, 1031, 1051, 1187, 1319, 1567, 1831, 1879, 2069, 2087, 2281, 2347, 2351, 2521, 3061, 3167, 3347, 3433, 4049, 4231, 4283, 4363, 4447, 4999, 5437, 5669, 5689, 5869, 7499, 7607, 7681, 7687, 7841, 7907, 8039

Offset: 1

Author

Robert G. Wilson v, Feb 06 2001

Keywords

• base
• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A059209.

Programs

Magma

[p: p in PrimesUpTo(8100) | IsPrime(Seqint(Reverse(Intseq(p^8))))]; // Vincenzo Librandi, Apr 12 2013

Mathematica

Select[ Range[ 11000 ], PrimeQ[ # ] && PrimeQ[ ToExpression[ StringReverse[ ToString[ #^8 ] ] ] ] & ]
Select[Prime[Range[1100]],PrimeQ[IntegerReverse[#^8]]&] (* Requires Mathematica version 10 or higher *) (* Harvey P. Dale, May 22 2017 *)