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A201022
Primes whose multiplicative digital root is 8.
1
29, 67, 79, 83, 97, 149, 163, 167, 179, 181, 197, 199, 229, 233, 241, 263, 337, 373, 419, 421, 433, 461, 491, 499, 613, 617, 631, 641, 661, 719, 733, 761, 811, 881, 883, 919, 941, 971, 991, 1129, 1163, 1181, 1229, 1237, 1291, 1327, 1361, 1373, 1381, 1399, 1423
OFFSET
1,1
COMMENTS
Complement of A201023 with respect to A034055.
LINKS
Eric Weisstein's World of Mathematics, Multiplicative Digital Root
EXAMPLE
Prime 149 is in the sequence because 1*4*9=36, 3*6=18, 1*8=8.
CROSSREFS
Cf. A201023 (composite numbers whose multiplicative digital root is 8), A034055 (numbers whose multiplicative digital root is 8).
Sequence in context: A044512 A211492 A165238 * A367151 A118481 A245744
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Nov 25 2011
STATUS
approved