A029974 Primes that are palindromic in base 6.

2, 3, 5, 7, 37, 43, 61, 67, 191, 197, 1297, 1627, 1663, 1699, 1741, 1777, 1999, 2143, 2221, 2293, 2551, 6521, 6779, 7001, 7109, 7151, 7187, 7331, 7481, 7517, 7703, 47521, 47737, 49069, 49537, 51517, 52201, 54181, 55987, 57751, 59083

Offset: 1

Author

Patrick De Geest

Keywords

• nonn
• base

Links

• John Cerkan, Table of n, a(n) for n = 1..10000
• P. De Geest, World!Of Palindromic Primes

Programs

Mathematica

f[n_]:=FromDigits[RealDigits[n,6][[1]]]==FromDigits[Reverse[RealDigits[n,6][[1]]]]; lst={}; Do[p=Prime[n]; If[f[p],AppendTo[lst,p]],{n,8!}]; lst (* Vladimir Joseph Stephan Orlovsky, Aug 10 2009 *)
Select[Prime[Range[6000]],IntegerDigits[#,6]==Reverse[IntegerDigits[#,6]]&] (* Harvey P. Dale, Mar 13 2023 *)