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A081984 Primes p such that p-1 is divisible by the digital product ( of nonzero digits) of p. 5

%I #4 Dec 05 2013 19:56:03

%S 11,13,19,31,41,61,71,101,103,109,127,151,163,211,241,251,379,401,433,

%T 521,541,601,613,631,701,1009,1021,1051,1063,1123,1151,1201,1213,1231,

%U 1321,1511,1531,1621,1723,1801,2011,2017,2081,2111,2113,2131,2161,2311

%N Primes p such that p-1 is divisible by the digital product ( of nonzero digits) of p.

%e 127 is a member as 126 is divisible by 1*2*7 =14.

%Y Cf. A081981, A081982, A081983, A081986, A081987.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Apr 04 2003

%E More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003

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Last modified April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)