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A093859 Numbers n such that sum of the digital products of the divisors is prime. 0

%I #5 Dec 15 2017 17:36:37

%S 2,4,9,11,18,21,23,29,36,41,43,45,47,58,61,67,72,75,82,85,89,90,94,

%T 115,116,122,128,130,143,144,149,150,162,163,165,167,168,170,175,178,

%U 180,185,202,206,207,209,211,213,214,218,219,223,227,229,230,233,237,243

%N Numbers n such that sum of the digital products of the divisors is prime.

%e 8842 is in the sequence because its divisors are: [1, 2, 4421, 8842] and

%e 1+2+(4*4*2*1)+(8*8*4*2) = 547, a prime.

%K base,easy,nonn

%O 1,1

%A _Jason Earls_, May 21 2004

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Last modified June 2 04:34 EDT 2023. Contains 363081 sequences. (Running on oeis4.)