Compare 398 vs 403
| Property | 398 | 403 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 1991 | 131 × 311 |
| Prime factorization | 2 × 199 | 13 × 31 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 199, 398 | 1, 13, 31, 403 |
| Number of properties | 1 | 1 |
| Semiprimes | 126th | 127th |
| Roman numberals | CCCXCVIII | CDIII |
| Base 2 | 1100011102 | 1100100112 |
| Base 3 | 1122023 | 1122213 |
| Base 4 | 120324 | 121034 |
| Base 5 | 30435 | 31035 |
| Base 6 | 15026 | 15116 |
| Base 7 | 11067 | 11147 |
| Base 8 | 6168 | 6238 |
| Base 9 | 4829 | 4879 |
| Base 10 | 39810 | 40310 |
| Base 11 | 33211 | 33711 |
| Base 12 | 29212 | 29712 |
| Base 13 | 24813 | 25013 |
| Base 14 | 20614 | 20b14 |
| Base 15 | 1b815 | 1bd15 |
| Base 16 | 18e16 | 19316 |