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A091465 Smallest prime with digit product 6^n. 7

%I #3 Mar 30 2012 17:30:59

%S 11,23,149,389,6389,38669,89899,688999,4998989,46998899,288989999,

%T 2688989999,8889899999,68898899999,1488988999999,3888998899999,

%U 128889898999999,348889899899999,1888888999999999,16888888999999999

%N Smallest prime with digit product 6^n.

%t NextPrim[n_] := Block[{k = n + 1}, While[ !PrimeQ[k], k++ ]; k]; a = Table[0, {10}]; p = 2; Do[ q = Log[6, Times @@ IntegerDigits[p]]; If[q != 0 && IntegerQ[q] && a[[q]] == 0, a[[q]] = p; Print[q, " = ", p]]; p = NextPrim[p], {n, 1, 10^9}]; a

%Y Cf. A089365, A088653, A090840, A089298, A090841.

%K nonn,base

%O 0,1

%A _Robert G. Wilson v_, Jan 12 2004

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)