A064508 Prime numbers generated by casting a number in its own base.
43, 61, 67, 367, 409, 12433, 23557, 38201, 80803, 82421, 99907, 117127, 294223, 305611, 329677, 371359, 420001, 476407, 649639, 669133, 852851, 860257, 929293, 1531813, 1565209, 1634203, 2673343, 3539359, 4386887, 5209999, 5661613
Offset: 1
Examples
E.g. 21 in base 21 becomes 43.
Crossrefs
Cf. A064507.
Extensions
Offset corrected by Arkadiusz Wesolowski, Oct 19 2013