Factorization
540 = 2 × 2 × 3 × 3 × 3 × 5
540 has 24 divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540
Sum of all divisors other than 540:
1140
Sums & differences
Difference of 2 squares: 540 = 242 - 62 = 322 - 222 = 482 - 422 = 1362 - 1342
Goldbach conjecture: 540 = 523 + 17 = 521 + 19 = 509 + 31 = 503 + 37 = 499 + 41 = 487 + 53 = 479 + 61 = 467 + 73 = 461 + 79 = 457 + 83 = . . . (only the first 10 pairs are shown)
