A115983 Apocalypse primes: 10^665+a(n) has 666 decimal digits and is prime.

123, 1837, 6409, 7329, 8569, 8967, 9663, 13213, 14943, 16299, 17053, 17857, 22611, 24601, 25261, 25729, 27847, 30567, 32413, 33321, 33379, 34257, 34557, 34723, 38097, 39387, 39787, 39889, 39973, 43501, 43719, 44889, 48139, 49587, 53683

Offset

1,1

Comments

This sequence contains about 10^662 terms, the last of which is 10^666-1157.

Links

Robert G. Wilson v, Table of n, a(n) for n = 1..6666

Brady Haran and Tony Padilla, Interesting 666-digit Numbers, YouTube Numberphile video, 2024.

Eric Weisstein's World of Mathematics, Apocalypse Number

Mathematica

lst={}; a=10^665; Do[If[PrimeQ[a+n], Print[n]; AppendTo[lst, n]], {n, 8!}]; lst (* Vladimir Joseph Stephan Orlovsky, Aug 30 2008 *)
Select[Range[55000], IntegerLength[10^665+#]==666&&PrimeQ[10^665+#]&] (* Harvey P. Dale, Jul 30 2019 *)

Crossrefs

Sequence in context: A103504 A324627 A259907 * A202132 A160040 A297524

Adjacent sequences: A115980 A115981 A115982 * A115984 A115985 A115986

Keyword

base,dumb,fini,nonn

Author

Eric W. Weisstein, Feb 09 2006

Status

approved