|
%I #13 Sep 08 2022 08:46:17
%S 4,4,8,6,7,9,1,6,6,1,1,9,0,4,3,3,3,4,7,9,4,9,5,1,4,1,0,3,6,1,5,9,1,7,
%T 7,8,7,2,7,2,0,9,0,2,3,7,2,9,3,8,8,6,1,3,0,1,0,3,6,4,8,0,4,4,7,5,1,2,
%U 7,8,5,6,0,9,1,5,8,0,5,3,6,3,7,1,6,2,0,1,8,3,9,5,9,2,0,1,8,3,1,0,8,6,8,9,1
%N Decimal expansion of 2^21701 - 1, the 25th Mersenne prime A000668(25).
%H Arkadiusz Wesolowski, <a href="/A275982/b275982.txt">Table of n, a(n) for n = 6533..13065</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Mersenne_prime">Mersenne prime</a>
%F 2^A000043(25) - 1.
%e 44867916611904333479495141036159177872720902372938861301036480447512785...
%t First@RealDigits@N[2^21701 - 1, 100] (* _G. C. Greubel_, Aug 15 2016 *)
%o (Magma) Reverse(Intseq(2^21701-1))[1..105];
%o (PARI) eval(Vec(Str(2^21701-1)))[1..105]
%Y 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), A275983 = A000668(26), A275984 = A000668(27).
%K nonn,cons,easy,fini,full
%O 6533,1
%A _Arkadiusz Wesolowski_, Aug 15 2016
|
