
Curios:
Curios Search:
Participate: 
The product of the factorials of the digits of 7351 produce another factorial: 7! * 3! * 5! * 1! = 10!. The sum of the digits of 7351 equals the square of their average. Note that the first four odd numbers are used. [Edwards]
Prime Curios! © 20002018 (all rights
reserved)
