|
|
|
Curios:
Curios Search:
Participate: |
144 is the smallest three-digit number in which the sum of the unique
digits of the number equals the sum of its unique prime divisors (2 x 2 x 2 x 2 x 3 x 3 = 144 and 1 + 4 = 5 = 2 + 3). [Cramer]
Prime Curios! © 1999-2010 (all rights
reserved)
|