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A248933 Decimal expansion of 2^2281 - 1, the 17th Mersenne prime A000668(17). 17
4, 4, 6, 0, 8, 7, 5, 5, 7, 1, 8, 3, 7, 5, 8, 4, 2, 9, 5, 7, 1, 1, 5, 1, 7, 0, 6, 4, 0, 2, 1, 0, 1, 8, 0, 9, 8, 8, 6, 2, 0, 8, 6, 3, 2, 4, 1, 2, 8, 5, 9, 9, 0, 1, 1, 1, 1, 9, 9, 1, 2, 1, 9, 9, 6, 3, 4, 0, 4, 6, 8, 5, 7, 9, 2, 8, 2, 0, 4, 7, 3, 3, 6, 9, 1, 1, 2, 5, 4, 5, 2, 6, 9, 0, 0, 3, 9, 8, 9, 0, 2, 6, 1, 5, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

687,1

COMMENTS

The 13th through the 17th Mersenne primes were found in 1952 by Raphael M. Robinson, using SWAC.

The digits of this prime were published on page 167 of Nordisk Mathematisk Tidskrift 2 (1954).

LINKS

Arkadiusz Wesolowski, Table of n, a(n) for n = 687..1373

D. H. Lehmer, Two New Mersenne Primes, Mathematics of Computation, vol. 7, No. 41 (1952), p. 72.

Wikipedia, Mersenne prime

FORMULA

Equals 2^A000043(17) - 1.

EXAMPLE

44608755718375842957115170640210180988620863241285990111199121996340468...

MATHEMATICA

RealDigits[2^2281 - 1, 10, 100][[1]] (* G. C. Greubel, Oct 03 2017 *)

PROG

(MAGMA) Reverse(Intseq(2^2281-1));

(PARI) eval(Vec(Str(2^2281-1)))

CROSSREFS

Cf. A169684 = A000668(11), A169681 = A000668(12), A169685 = A000668(13), A204063 = A000668(14), A248931 = A000668(15), A248932 = A000668(16), A248934 = A000668(18), A248935 = A000668(19), A248936 = A000668(20).

Sequence in context: A098821 A142154 A084458 * A110356 A200348 A205868

Adjacent sequences:  A248930 A248931 A248932 * A248934 A248935 A248936

KEYWORD

nonn,cons,easy,fini,full

AUTHOR

Arkadiusz Wesolowski, Oct 17 2014

STATUS

approved

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Last modified August 25 03:10 EDT 2019. Contains 326318 sequences. (Running on oeis4.)