A035066 Prime lengths of factorials: see A035065.

2, 3, 3, 5, 7, 11, 13, 19, 23, 29, 31, 37, 41, 47, 53, 67, 79, 97, 101, 127, 131, 137, 139, 149, 167, 173, 179, 181, 191, 193, 197, 199, 227, 229, 233, 239, 257, 263, 281, 283, 307, 337, 359, 373, 389, 401, 431, 443, 457, 467, 479, 491, 503, 541, 563, 571, 593

Offset

1,1

Links

Giovanni Resta, Table of n, a(n) for n = 1..10000

Mathematica

Select[Table[IntegerLength[n!], {n, 500}], PrimeQ] (* Harvey P. Dale, May 03 2015 *)

Crossrefs

Cf. A000142, A035065.

Sequence in context: A286330 A241378 A226275 * A258967 A035068 A153643

Adjacent sequences: A035063 A035064 A035065 * A035067 A035068 A035069

Keyword

nonn,base

Author

Patrick De Geest, Nov 15 1998

Extensions

Offset changed to 1 by Giovanni Resta, Oct 08 2019

Status

approved