A167729 Cubes that become prime numbers when prefixed with a 5

12167, 19683, 24389, 35937, 59319, 68921, 456533, 531441, 658503, 704969, 970299, 1685159, 5545233, 8869743, 13312053, 16974593, 18191447, 20346417, 21717639, 26730899, 27818127, 30080231, 33076161, 41781923, 45499293, 56181887

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[400]^3, PrimeQ[FromDigits[Join[{5}, IntegerDigits[#]]]]&] (* Harvey P. Dale, Jun 14 2013 *)

Crossrefs

Sequence in context: A250837 A234079 A298312 * A115674 A013819 A227297

Adjacent sequences: A167726 A167727 A167728 * A167730 A167731 A167732

Keyword

base,nonn

Author

Claudio Meller, Nov 10 2009

Extensions

Definition clarified by Harvey P. Dale, Jun 14 2013

Status

approved