Compare 318 vs 321
| Property | 318 | 321 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 31 × 531 | 31 × 1071 |
| Prime factorization | 2 × 3 × 53 | 3 × 107 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 3, 6, 53, 106, 159, 318 | 1, 3, 107, 321 |
| Number of properties | 0 | 1 |
| Semiprimes | 102nd | |
| Roman numberals | CCCXVIII | CCCXXI |
| Base 2 | 1001111102 | 1010000012 |
| Base 3 | 1022103 | 1022203 |
| Base 4 | 103324 | 110014 |
| Base 5 | 22335 | 22415 |
| Base 6 | 12506 | 12536 |
| Base 7 | 6337 | 6367 |
| Base 8 | 4768 | 5018 |
| Base 9 | 3839 | 3869 |
| Base 10 | 31810 | 32110 |
| Base 11 | 26a11 | 27211 |
| Base 12 | 22612 | 22912 |
| Base 13 | 1b613 | 1b913 |
| Base 14 | 18a14 | 18d14 |
| Base 15 | 16315 | 16615 |
| Base 16 | 13e16 | 14116 |