[math-fun] a=18; 2a=36; 3*6=a
5 Sep
2008
5 Sep
'08
9:34 a.m.
Hello Math-Fun, are there many integers "a" having the property that the digit-product of "2a" equals "a"? (e.g. a = 18, 2a = 36, 3*6 = a) Best, É.
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Eric Angelini