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A075236
Primes whose base 6 reversal is also prime.
7
2, 3, 5, 7, 11, 31, 37, 41, 43, 53, 59, 61, 67, 71, 181, 191, 193, 197, 199, 211, 227, 233, 257, 263, 271, 277, 281, 293, 307, 311, 313, 317, 331, 337, 349, 359, 367, 373, 379, 383, 389, 431, 1087, 1093, 1103, 1109, 1117, 1123, 1153, 1187, 1193, 1201, 1213
OFFSET
1,1
LINKS
MATHEMATICA
Prime[ Select[ Range[200], PrimeQ[ FromDigits[ Reverse[ IntegerDigits[ Prime[ # ], 6]], 6]] &]]
Select[Prime[Range[200]], PrimeQ[FromDigits[Reverse[IntegerDigits[#, 6]], 6]]&] (* Harvey P. Dale, Oct 12 2023 *)
KEYWORD
base,easy,nonn
AUTHOR
Robert G. Wilson v, Sep 09 2002
STATUS
approved