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A334131
Numbers that can be written as a product of distinct repunits.
3
0, 1, 11, 111, 1111, 1221, 11111, 12221, 111111, 122221, 123321, 1111111, 1222221, 1233321, 1356531, 11111111, 12222221, 12333321, 12344321, 13566531, 111111111, 122222221, 123333321, 123444321, 135666531, 135787531, 1111111111, 1222222221
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Repunit
EXAMPLE
13566531 = 11*111*11111. - David A. Corneth, Mar 26 2021
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Ilya Gutkovskiy, Apr 14 2020
STATUS
approved