4

This number is a composite.

Single Curio View: (Seek other curios for this number)

       18 99 86 61                                    
       66 81 98 19
       91 16 69 88
       89 68 11 96

A 4-by-4 magic square displaying 4 primes. Note that the same occurs if rotated 180 degrees about the center of the square's plane.

Submitted: 1999-09-02 23:40:00; Last Modified: 2009-06-27 01:41:15.