Compare 378 vs 381
| Property | 378 | 381 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 33 × 71 | 31 × 1271 |
| Prime factorization | 2 × 3 × 3 × 3 × 7 | 3 × 127 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378 | 1, 3, 127, 381 |
| Number of properties | 0 | 1 |
| Semiprimes | 119th | |
| Roman numberals | CCCLXXVIII | CCCLXXXI |
| Base 2 | 1011110102 | 1011111012 |
| Base 3 | 1120003 | 1120103 |
| Base 4 | 113224 | 113314 |
| Base 5 | 30035 | 30115 |
| Base 6 | 14306 | 14336 |
| Base 7 | 10507 | 10537 |
| Base 8 | 5728 | 5758 |
| Base 9 | 4609 | 4639 |
| Base 10 | 37810 | 38110 |
| Base 11 | 31411 | 31711 |
| Base 12 | 27612 | 27912 |
| Base 13 | 23113 | 23413 |
| Base 14 | 1d014 | 1d314 |
| Base 15 | 1a315 | 1a615 |
| Base 16 | 17a16 | 17d16 |