OFFSET
1,2
COMMENTS
MATHEMATICA
Select[Range@ 134, And[FixedPoint[Times @@ IntegerDigits@ # &, #] != 0, AllTrue[Differences@ IntegerDigits@ #, # >= 0 &]] &] (* Michael De Vlieger, Aug 25 2018 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
David A. Corneth, Aug 23 2018
STATUS
approved