Compare 428 vs 437
| Property | 428 | 437 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 22 × 1071 | 191 × 231 |
| Prime factorization | 2 × 2 × 107 | 19 × 23 |
| Divisors count | 6 | 4 |
| Divisors | 1, 2, 4, 107, 214, 428 | 1, 19, 23, 437 |
| Number of properties | 0 | 1 |
| Semiprimes | 135th | |
| Roman numberals | CDXXVIII | CDXXXVII |
| Base 2 | 1101011002 | 1101101012 |
| Base 3 | 1202123 | 1210123 |
| Base 4 | 122304 | 123114 |
| Base 5 | 32035 | 32225 |
| Base 6 | 15526 | 20056 |
| Base 7 | 11517 | 11637 |
| Base 8 | 6548 | 6658 |
| Base 9 | 5259 | 5359 |
| Base 10 | 42810 | 43710 |
| Base 11 | 35a11 | 36811 |
| Base 12 | 2b812 | 30512 |
| Base 13 | 26c13 | 27813 |
| Base 14 | 22814 | 23314 |
| Base 15 | 1d815 | 1e215 |
| Base 16 | 1ac16 | 1b516 |