Factorization
6642 = 2 × 3 × 3 × 3 × 3 × 41
6642 has 20 divisors: 1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642
Sum of all divisors other than 6642:
8604
Sums & differences
Sum of 2 squares: 6642 = 812 + 92
Goldbach conjecture: 6642 = 6637 + 5 = 6619 + 23 = 6599 + 43 = 6581 + 61 = 6571 + 71 = 6569 + 73 = 6563 + 79 = 6553 + 89 = 6529 + 113 = 6491 + 151 = . . . (only the first 10 pairs are shown)