%I #22 Sep 08 2022 08:44:56
%S 61,67,601,607,613,617,619,631,641,643,647,653,659,661,673,677,683,
%T 691,6007,6011,6029,6037,6043,6047,6053,6067,6073,6079,6089,6091,6101,
%U 6113,6121,6131,6133,6143,6151,6163,6173,6197,6199,6203,6211,6217,6221,6229
%N Primes with first digit 6.
%H Vincenzo Librandi, <a href="/A045712/b045712.txt">Table of n, a(n) for n = 1..5000</a>
%t Flatten[Table[Prime[Range[PrimePi[6 * 10^n] + 1, PrimePi[7 * 10^n]]], {n, 3}]] (* _Alonso del Arte_, Jul 19 2014 *)
%t Select[Table[Prime[n],{n, 7000}], First[IntegerDigits[#]]==6 &] (* _Vincenzo Librandi_, Aug 08 2014 *)
%o (Magma) [p: p in PrimesUpTo(10^4) | Intseq(p)[#Intseq(p)] eq 6]; // _Bruno Berselli_, Jul 19 2014
%Y For primes with initial digit d (1 <= d <= 9) see A045707, A045708, A045709, A045710, A045711, A045712, A045713, A045714, A045715; A073517, A073516, A073515, A073514, A073513, A073512, A073511, A073510, A073509
%Y Column k=6 of A262369.
%K nonn,base,easy
%O 1,1
%A _Felice Russo_
%E More terms from _Erich Friedman_.