

A046713


Multiplicative and additive primes: primes where the product and sum of digits are also prime.


6



2, 3, 5, 7, 113, 131, 151, 311, 2111, 11113, 11117, 11131, 11171, 11311, 111121, 111211, 112111, 1111151, 1111711, 1117111, 1171111, 111111113, 111111131, 111113111, 115111111, 131111111, 1111111121, 1111211111, 1121111111, 11111111113, 11111111131, 11113111111
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OFFSET

1,1


LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..1000


MATHEMATICA

d[n_]:=IntegerDigits[n]; t={}; Do[p=Prime[n]; If[PrimeQ[Plus@@(x=d[p])]&&PrimeQ[Times@@x], AppendTo[t, p]], {n, 2*10^5}]; t (* Jayanta Basu, May 18 2013 *)


CROSSREFS

Intersection of A028834, A028842, and A000040.
Sequence in context: A205529 A006341 A086107 * A119835 A076609 A117059
Adjacent sequences: A046710 A046711 A046712 * A046714 A046715 A046716


KEYWORD

nonn,base


AUTHOR

Felice Russo


EXTENSIONS

More terms from Harvey P. Dale, Aug 23 2000
Corrected by Jud McCranie, Jan 03 2001
Edited by Charles R Greathouse IV, Aug 02 2010


STATUS

approved



