Compare 381 vs 415
| Property | 381 | 415 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 1271 | 51 × 831 |
| Prime factorization | 3 × 127 | 5 × 83 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 127, 381 | 1, 5, 83, 415 |
| Number of properties | 1 | 1 |
| Semiprimes | 119th | 131st |
| Roman numberals | CCCLXXXI | CDXV |
| Base 2 | 1011111012 | 1100111112 |
| Base 3 | 1120103 | 1201013 |
| Base 4 | 113314 | 121334 |
| Base 5 | 30115 | 31305 |
| Base 6 | 14336 | 15316 |
| Base 7 | 10537 | 11327 |
| Base 8 | 5758 | 6378 |
| Base 9 | 4639 | 5119 |
| Base 10 | 38110 | 41510 |
| Base 11 | 31711 | 34811 |
| Base 12 | 27912 | 2a712 |
| Base 13 | 23413 | 25c13 |
| Base 14 | 1d314 | 21914 |
| Base 15 | 1a615 | 1ca15 |
| Base 16 | 17d16 | 19f16 |