Whats the smallest number ("the magic number") that can satisfy these conditions?
- its positive
- it is not divisible by any number below 20 (excluding 1)
- the average of the digits is an even number between 3 and 9
(In reply to Best and final
by Ady TZIDON)
17 is divisible by a number below 20...
Posted by e.g.
on 2004-03-17 08:42:39