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A059210
Numbers n such that n^9 reversed is a prime.
4
32, 131, 223, 245, 320, 382, 476, 541, 596, 625, 632, 746, 769, 772, 775, 791, 808, 811, 829, 893, 967, 1006, 1021, 1028, 1058, 1259, 1304, 1310, 1351, 1468, 1622, 1669, 1679, 1729, 1736, 1748, 2072, 2087, 2089, 2153, 2188, 2192, 2203, 2218, 2219
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[3000], PrimeQ[ToExpression[StringReverse[ToString[#^9]]]] &]
Select[Range[3000], PrimeQ[FromDigits[Reverse[IntegerDigits[#^9]]]]&] (* Harvey P. Dale, Dec 29 2011 *)
CROSSREFS
Sequence in context: A031447 A153074 A035503 * A060670 A044364 A044745
KEYWORD
nonn,base
AUTHOR
Robert G. Wilson v, Jan 16 2001
STATUS
approved