A035067 - OEIS

%I #16 Sep 24 2020 20:03:04

%S 4,5,6,8,10,14,70,86,111,116,199,368,372,419,423,3391,4013,4182,4790,

%T 5821,8625,8752,9187,10477,10904,18335,18595,18808,18925,19844,20267,

%U 23086,23157,23665,24286,205587,219047,228675,230186,238845,250279,251779,256996

%N n! has a palindromic prime number of digits.

%H <a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a>

%e 111! has 181 digits.

%Y Cf. A000142, A035068.

%K nonn,hard,base

%O 1,1

%A _Patrick De Geest_, Nov 15 1998

%E More terms from _Frank Ellermann_, May 30 2001

%E More terms from _Sean A. Irvine_, Sep 24 2020