Compare 398 vs 447
| Property | 398 | 447 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 1991 | 31 × 1491 |
| Prime factorization | 2 × 199 | 3 × 149 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 199, 398 | 1, 3, 149, 447 |
| Number of properties | 1 | 1 |
| Semiprimes | 126th | 138th |
| Roman numberals | CCCXCVIII | CDXLVII |
| Base 2 | 1100011102 | 1101111112 |
| Base 3 | 1122023 | 1211203 |
| Base 4 | 120324 | 123334 |
| Base 5 | 30435 | 32425 |
| Base 6 | 15026 | 20236 |
| Base 7 | 11067 | 12067 |
| Base 8 | 6168 | 6778 |
| Base 9 | 4829 | 5469 |
| Base 10 | 39810 | 44710 |
| Base 11 | 33211 | 37711 |
| Base 12 | 29212 | 31312 |
| Base 13 | 24813 | 28513 |
| Base 14 | 20614 | 23d14 |
| Base 15 | 1b815 | 1ec15 |
| Base 16 | 18e16 | 1bf16 |