Compare 393 vs 407
| Property | 393 | 407 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 1311 | 111 × 371 |
| Prime factorization | 3 × 131 | 11 × 37 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 131, 393 | 1, 11, 37, 407 |
| Number of properties | 1 | 1 |
| Semiprimes | 123rd | 128th |
| Roman numberals | CCCXCIII | CDVII |
| Base 2 | 1100010012 | 1100101112 |
| Base 3 | 1121203 | 1200023 |
| Base 4 | 120214 | 121134 |
| Base 5 | 30335 | 31125 |
| Base 6 | 14536 | 15156 |
| Base 7 | 11017 | 11217 |
| Base 8 | 6118 | 6278 |
| Base 9 | 4769 | 5029 |
| Base 10 | 39310 | 40710 |
| Base 11 | 32811 | 34011 |
| Base 12 | 28912 | 29b12 |
| Base 13 | 24313 | 25413 |
| Base 14 | 20114 | 21114 |
| Base 15 | 1b315 | 1c215 |
| Base 16 | 18916 | 19716 |