79

This number is a prime.

Just showing those entries submitted by 'Friend': (Click here to show all)

79 + 5 1/3 = 84 + 2/6; the digits on the left side of the equation are odd, and the digits on the right are even. Did you notice that all digits greater than "0" are used exactly once? Of course now the entire curio is pandigital. [Friend and Honaker]