Compare 387 vs 398
| Property | 387 | 398 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 431 | 21 × 1991 |
| Prime factorization | 3 × 3 × 43 | 2 × 199 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 43, 129, 387 | 1, 2, 199, 398 |
| Number of properties | 0 | 1 |
| Semiprimes | 126th | |
| Roman numberals | CCCLXXXVII | CCCXCVIII |
| Base 2 | 1100000112 | 1100011102 |
| Base 3 | 1121003 | 1122023 |
| Base 4 | 120034 | 120324 |
| Base 5 | 30225 | 30435 |
| Base 6 | 14436 | 15026 |
| Base 7 | 10627 | 11067 |
| Base 8 | 6038 | 6168 |
| Base 9 | 4709 | 4829 |
| Base 10 | 38710 | 39810 |
| Base 11 | 32211 | 33211 |
| Base 12 | 28312 | 29212 |
| Base 13 | 23a13 | 24813 |
| Base 14 | 1d914 | 20614 |
| Base 15 | 1ac15 | 1b815 |
| Base 16 | 18316 | 18e16 |