A112429 Carmichael numbers equal to the product of 6 primes.

321197185, 413631505, 417241045, 496050841, 509033161, 611397865, 612347905, 638959321, 672389641, 832060801, 834720601, 868234081, 945959365, 986088961, 1074363265, 1177800481, 1210178305, 1256855041, 1410833281, 1481619601

Offset: 1

Author

Shyam Sunder Gupta, Dec 11 2005

Keywords

• easy
• nonn

Examples

			a(1)=321197185=5*19*23*29*37*137
		

Links

• R. J. Mathar, Table of n, a(n) for n = 1..14401

Crossrefs

Cf. A002997, A087788, A141711, A074379, A112428, A112430, A112431, A112432, A006931.

Programs

PARI

is(n)={omega(n)==6&&is_A002997(n)} \\ M. F. Hasler, Apr 14 2015