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Smallest prime with multiplicative digital root value 0 <= n <= 9.
1

%I #13 Mar 30 2012 19:00:25

%S 59,11,2,3,41,5,23,7,29,19

%N Smallest prime with multiplicative digital root value 0 <= n <= 9.

%Y Cf. A107698, A198487.

%K nonn,base,fini,full

%O 0,1

%A _Jaroslav Krizek_, Oct 23 2011