Compare 355 vs 381
| Property | 355 | 381 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 711 | 31 × 1271 |
| Prime factorization | 5 × 71 | 3 × 127 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 71, 355 | 1, 3, 127, 381 |
| Number of properties | 1 | 1 |
| Semiprimes | 112th | 119th |
| Roman numberals | CCCLV | CCCLXXXI |
| Base 2 | 1011000112 | 1011111012 |
| Base 3 | 1110113 | 1120103 |
| Base 4 | 112034 | 113314 |
| Base 5 | 24105 | 30115 |
| Base 6 | 13516 | 14336 |
| Base 7 | 10157 | 10537 |
| Base 8 | 5438 | 5758 |
| Base 9 | 4349 | 4639 |
| Base 10 | 35510 | 38110 |
| Base 11 | 2a311 | 31711 |
| Base 12 | 25712 | 27912 |
| Base 13 | 21413 | 23413 |
| Base 14 | 1b514 | 1d314 |
| Base 15 | 18a15 | 1a615 |
| Base 16 | 16316 | 17d16 |