akuchlin at mems-exchange.org (Andrew M. Kuchling) writes: > I've always wondered why he considered 37 helpful. Because it is a factor of any number made up by repeating any single digit some multiple of three times? (v.g. 111, 222222, 333333333, 444444444444) -- François Pinard http://www.iro.umontreal.ca/~pinard