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A115983 Apocalypse primes: 10^665+a(n) has 666 decimal digits and is prime. 2
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
This sequence contains about 10^662 terms, the last of which is 10^666-1157.
LINKS
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
KEYWORD
base,dumb,fini,nonn
AUTHOR
Eric W. Weisstein, Feb 09 2006
STATUS
approved

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Last modified July 24 13:53 EDT 2024. Contains 374584 sequences. (Running on oeis4.)