Compare 403 vs 407
| Property | 403 | 407 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 311 | 111 × 371 |
| Prime factorization | 13 × 31 | 11 × 37 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 31, 403 | 1, 11, 37, 407 |
| Number of properties | 1 | 1 |
| Semiprimes | 127th | 128th |
| Roman numberals | CDIII | CDVII |
| Base 2 | 1100100112 | 1100101112 |
| Base 3 | 1122213 | 1200023 |
| Base 4 | 121034 | 121134 |
| Base 5 | 31035 | 31125 |
| Base 6 | 15116 | 15156 |
| Base 7 | 11147 | 11217 |
| Base 8 | 6238 | 6278 |
| Base 9 | 4879 | 5029 |
| Base 10 | 40310 | 40710 |
| Base 11 | 33711 | 34011 |
| Base 12 | 29712 | 29b12 |
| Base 13 | 25013 | 25413 |
| Base 14 | 20b14 | 21114 |
| Base 15 | 1bd15 | 1c215 |
| Base 16 | 19316 | 19716 |