Compare 398 vs 408
| Property | 398 | 408 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 21 × 1991 | 23 × 31 × 171 |
| Prime factorization | 2 × 199 | 2 × 2 × 2 × 3 × 17 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 199, 398 | 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408 |
| Number of properties | 1 | 0 |
| Semiprimes | 126th | |
| Roman numberals | CCCXCVIII | CDVIII |
| Base 2 | 1100011102 | 1100110002 |
| Base 3 | 1122023 | 1200103 |
| Base 4 | 120324 | 121204 |
| Base 5 | 30435 | 31135 |
| Base 6 | 15026 | 15206 |
| Base 7 | 11067 | 11227 |
| Base 8 | 6168 | 6308 |
| Base 9 | 4829 | 5039 |
| Base 10 | 39810 | 40810 |
| Base 11 | 33211 | 34111 |
| Base 12 | 29212 | 2a012 |
| Base 13 | 24813 | 25513 |
| Base 14 | 20614 | 21214 |
| Base 15 | 1b815 | 1c315 |
| Base 16 | 18e16 | 19816 |