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A201023
Composite numbers whose multiplicative digital root is 8.
2
8, 18, 24, 36, 38, 42, 46, 49, 63, 64, 66, 76, 77, 81, 88, 92, 94, 99, 118, 124, 129, 136, 138, 142, 146, 164, 166, 176, 177, 183, 188, 192, 194, 214, 219, 222, 226, 234, 236, 237, 243, 248, 262, 273, 284, 291, 292, 316, 318, 323, 324, 326, 327, 332, 334, 339
OFFSET
1,1
COMMENTS
Complement of A201022 with respect to A034055.
LINKS
Eric Weisstein's World of Mathematics, Multiplicative Digital Root
FORMULA
Composite number 124 is in the sequence because 1*2*4=8.
CROSSREFS
Cf. A201022 (primes whose multiplicative digital root is 8), A034055 (numbers whose multiplicative digital root is 8).
Sequence in context: A039278 A045043 A043881 * A199989 A201056 A352081
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Nov 25 2011
STATUS
approved