Compare 315 vs 321
| Property | 315 | 321 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 51 × 71 | 31 × 1071 |
| Prime factorization | 3 × 3 × 5 × 7 | 3 × 107 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315 | 1, 3, 107, 321 |
| Number of properties | 0 | 1 |
| Semiprimes | 102nd | |
| Roman numberals | CCCXV | CCCXXI |
| Base 2 | 1001110112 | 1010000012 |
| Base 3 | 1022003 | 1022203 |
| Base 4 | 103234 | 110014 |
| Base 5 | 22305 | 22415 |
| Base 6 | 12436 | 12536 |
| Base 7 | 6307 | 6367 |
| Base 8 | 4738 | 5018 |
| Base 9 | 3809 | 3869 |
| Base 10 | 31510 | 32110 |
| Base 11 | 26711 | 27211 |
| Base 12 | 22312 | 22912 |
| Base 13 | 1b313 | 1b913 |
| Base 14 | 18714 | 18d14 |
| Base 15 | 16015 | 16615 |
| Base 16 | 13b16 | 14116 |