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A181575 Prime numbers which are impossible numbers of trailing zeros in the decimal representation of the factorial of any prime number. 1

%I #9 Jul 13 2015 22:37:03

%S 5,11,17,23,29,59,61,67,73,79,83,101,127,131,167,173,179,193,199,223,

%T 229,241,281,283,307,311,317,331,337,349,367,373,379,397,409,419,431,

%U 439,449,457,461,467,479,487,491,503,509,523,541,547,563,577,587,599

%N Prime numbers which are impossible numbers of trailing zeros in the decimal representation of the factorial of any prime number.

%C Prime entries in A181573.

%F A181573 INTERSECT A000040.

%t f[n_] := IntegerExponent[ Prime@ n!, 10]; Select[ Complement[ Range[0, 600], Array[f, 360]], PrimeQ] (* _Robert G. Wilson v_, Nov 05 2010 *)

%Y Cf. A181573.

%K nonn,base

%O 1,1

%A _Lekraj Beedassy_, Nov 01 2010

%E More terms from _Robert G. Wilson v_, Nov 05 2010

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Last modified September 16 12:57 EDT 2024. Contains 375976 sequences. (Running on oeis4.)