Compare 387 vs 399
| Property | 387 | 399 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 32 × 431 | 31 × 71 × 191 |
| Prime factorization | 3 × 3 × 43 | 3 × 7 × 19 |
| Divisors count | 6 | 8 |
| Divisors | 1, 3, 9, 43, 129, 387 | 1, 3, 7, 19, 21, 57, 133, 399 |
| Number of properties | 0 | 0 |
| Roman numberals | CCCLXXXVII | CCCXCIX |
| Base 2 | 1100000112 | 1100011112 |
| Base 3 | 1121003 | 1122103 |
| Base 4 | 120034 | 120334 |
| Base 5 | 30225 | 30445 |
| Base 6 | 14436 | 15036 |
| Base 7 | 10627 | 11107 |
| Base 8 | 6038 | 6178 |
| Base 9 | 4709 | 4839 |
| Base 10 | 38710 | 39910 |
| Base 11 | 32211 | 33311 |
| Base 12 | 28312 | 29312 |
| Base 13 | 23a13 | 24913 |
| Base 14 | 1d914 | 20714 |
| Base 15 | 1ac15 | 1b915 |
| Base 16 | 18316 | 18f16 |