What peculiarity do the numbers 567 and 854 share that no other three-digit positive integer number has?
(In reply to Unsure about uniqueness
Yes, those are the only two 3 dig numbers Number 807 has a similar feature: the equation displays nine different digits : 0,1,2,4,5,6,7,8,9
see Sloane A059930
Edited on November 3, 2008, 3:13 pm