|
%I #10 Oct 15 2019 12:06:30
%S 45,64,153,156,169,186,190,195,258,304,325,381,396,464,493,561,575,
%T 602,646,652,662,713,725,825,843,879,880,899,944,948,951,957,988,989,
%U 1007,1048,1106,1121,1166,1239,1252,1265,1267,1293,1390,1422,1474,1480,1486
%N Numbers requiring 6 steps to reach a prime under the prime factor concatenation procedure.
%H Patrick De Geest, <a href="http://www.worldofnumbers.com/topic1.htm">Home Primes</a>
%Y Cf. A037271, A046411.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, Jun 15 1998
%E Edited by _Charles R Greathouse IV_, Apr 28 2010
|
