Compare 390 vs 393
| Property | 390 | 393 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 31 × 51 × 131 | 31 × 1311 |
| Prime factorization | 2 × 3 × 5 × 13 | 3 × 131 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390 | 1, 3, 131, 393 |
| Number of properties | 0 | 1 |
| Semiprimes | 123rd | |
| Roman numberals | CCCXC | CCCXCIII |
| Base 2 | 1100001102 | 1100010012 |
| Base 3 | 1121103 | 1121203 |
| Base 4 | 120124 | 120214 |
| Base 5 | 30305 | 30335 |
| Base 6 | 14506 | 14536 |
| Base 7 | 10657 | 11017 |
| Base 8 | 6068 | 6118 |
| Base 9 | 4739 | 4769 |
| Base 10 | 39010 | 39310 |
| Base 11 | 32511 | 32811 |
| Base 12 | 28612 | 28912 |
| Base 13 | 24013 | 24313 |
| Base 14 | 1dc14 | 20114 |
| Base 15 | 1b015 | 1b315 |
| Base 16 | 18616 | 18916 |