Compare 442 vs 445
| Property | 442 | 445 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 131 × 171 | 51 × 891 |
| Prime factorization | 2 × 13 × 17 | 5 × 89 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 13, 17, 26, 34, 221, 442 | 1, 5, 89, 445 |
| Number of properties | 0 | 1 |
| Semiprimes | 136th | |
| Roman numberals | CDXLII | CDXLV |
| Base 2 | 1101110102 | 1101111012 |
| Base 3 | 1211013 | 1211113 |
| Base 4 | 123224 | 123314 |
| Base 5 | 32325 | 32405 |
| Base 6 | 20146 | 20216 |
| Base 7 | 12017 | 12047 |
| Base 8 | 6728 | 6758 |
| Base 9 | 5419 | 5449 |
| Base 10 | 44210 | 44510 |
| Base 11 | 37211 | 37511 |
| Base 12 | 30a12 | 31112 |
| Base 13 | 28013 | 28313 |
| Base 14 | 23814 | 23b14 |
| Base 15 | 1e715 | 1ea15 |
| Base 16 | 1ba16 | 1bd16 |