A275983 Decimal expansion of 2^23209 - 1, the 26th Mersenne prime A000668(26).

4, 0, 2, 8, 7, 4, 1, 1, 5, 7, 7, 8, 9, 8, 8, 7, 7, 8, 1, 8, 1, 8, 7, 3, 3, 2, 9, 0, 7, 1, 5, 9, 1, 7, 6, 7, 7, 2, 2, 4, 3, 8, 5, 0, 6, 8, 9, 1, 6, 2, 2, 4, 2, 0, 0, 4, 1, 0, 2, 9, 9, 6, 3, 5, 7, 8, 6, 9, 4, 5, 9, 5, 2, 4, 0, 8, 8, 7, 4, 0, 0, 8, 6, 7, 6, 3, 9, 8, 6, 1, 4, 6, 1, 4, 6, 6, 5, 3, 7, 1, 0, 3, 8, 3, 3

Offset

6987,1

Links

Arkadiusz Wesolowski, Table of n, a(n) for n = 6987..13973

Wikipedia, Mersenne prime

Formula

2^A000043(26) - 1.

Example

40287411577898877818187332907159176772243850689162242004102996357869459...

Mathematica

First@RealDigits@N[2^23209 - 1, 100] (* G. C. Greubel, Aug 15 2016 *)

Prog

(Magma) Reverse(Intseq(2^23209-1))[1..105];
(PARI) eval(Vec(Str(2^23209-1)))[1..105]

Crossrefs

Cf. A169684 = A000668(11), A169681 = A000668(12), A169685 = A000668(13), A204063 = A000668(14), A248931 = A000668(15), A248932 = A000688(16), A248933 = A000668(17), A248934 = A000668(18), A248935 = A000668(19), A248936 = A000668(20), A275977 = A000668(21), A275979 = A000668(22), A275980 = A000668(23), A275981 = A000668(24), A275982 = A000668(25), A275984 = A000668(27).

Sequence in context: A240943 A271823 A011352 * A285750 A282279 A208333

Adjacent sequences: A275980 A275981 A275982 * A275984 A275985 A275986

Keyword

nonn,cons,easy,fini,full

Author

Arkadiusz Wesolowski, Aug 15 2016

Status

approved