A145343 a(n) = largest prime <= the smallest positive integer with exactly n divisors.
2, 3, 5, 13, 11, 61, 23, 31, 47, 1021, 59, 4093, 191, 139, 113, 65521, 179, 262139, 239, 571, 3067, 4194301, 359, 1291, 12281, 887, 953, 268435399, 719, 1073741789, 839, 9209, 196597, 5179, 1259, 68719476731, 786431, 36857, 1669, 1099511627689, 2879
Offset: 2
Keywords
Links
- Amiram Eldar, Table of n, a(n) for n = 2..3322
Formula
Extensions
More terms from R. J. Mathar and Ray Chandler, Oct 10 2008
Comments