Factorization
108 = 2 × 2 × 3 × 3 × 3
108 has 12 divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108
Sum of all divisors other than 108:
172
Sums & differences
Difference of 2 squares: 108 = 122 - 62 = 282 - 262
Goldbach conjecture: 108 = 103 + 5 = 101 + 7 = 97 + 11 = 89 + 19 = 79 + 29 = 71 + 37 = 67 + 41 = 61 + 47