Compare 428 vs 438
| Property | 428 | 438 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 22 × 1071 | 21 × 31 × 731 |
| Prime factorization | 2 × 2 × 107 | 2 × 3 × 73 |
| Divisors count | 6 | 8 |
| Divisors | 1, 2, 4, 107, 214, 428 | 1, 2, 3, 6, 73, 146, 219, 438 |
| Number of properties | 0 | 0 |
| Roman numberals | CDXXVIII | CDXXXVIII |
| Base 2 | 1101011002 | 1101101102 |
| Base 3 | 1202123 | 1210203 |
| Base 4 | 122304 | 123124 |
| Base 5 | 32035 | 32235 |
| Base 6 | 15526 | 20106 |
| Base 7 | 11517 | 11647 |
| Base 8 | 6548 | 6668 |
| Base 9 | 5259 | 5369 |
| Base 10 | 42810 | 43810 |
| Base 11 | 35a11 | 36911 |
| Base 12 | 2b812 | 30612 |
| Base 13 | 26c13 | 27913 |
| Base 14 | 22814 | 23414 |
| Base 15 | 1d815 | 1e315 |
| Base 16 | 1ac16 | 1b616 |