Compare 407 vs 415
| Property | 407 | 415 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 371 | 51 × 831 |
| Prime factorization | 11 × 37 | 5 × 83 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 37, 407 | 1, 5, 83, 415 |
| Number of properties | 1 | 1 |
| Semiprimes | 128th | 131st |
| Roman numberals | CDVII | CDXV |
| Base 2 | 1100101112 | 1100111112 |
| Base 3 | 1200023 | 1201013 |
| Base 4 | 121134 | 121334 |
| Base 5 | 31125 | 31305 |
| Base 6 | 15156 | 15316 |
| Base 7 | 11217 | 11327 |
| Base 8 | 6278 | 6378 |
| Base 9 | 5029 | 5119 |
| Base 10 | 40710 | 41510 |
| Base 11 | 34011 | 34811 |
| Base 12 | 29b12 | 2a712 |
| Base 13 | 25413 | 25c13 |
| Base 14 | 21114 | 21914 |
| Base 15 | 1c215 | 1ca15 |
| Base 16 | 19716 | 19f16 |