Compare 427 vs 445
| Property | 427 | 445 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 611 | 51 × 891 |
| Prime factorization | 7 × 61 | 5 × 89 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 61, 427 | 1, 5, 89, 445 |
| Number of properties | 1 | 1 |
| Semiprimes | 134th | 136th |
| Roman numberals | CDXXVII | CDXLV |
| Base 2 | 1101010112 | 1101111012 |
| Base 3 | 1202113 | 1211113 |
| Base 4 | 122234 | 123314 |
| Base 5 | 32025 | 32405 |
| Base 6 | 15516 | 20216 |
| Base 7 | 11507 | 12047 |
| Base 8 | 6538 | 6758 |
| Base 9 | 5249 | 5449 |
| Base 10 | 42710 | 44510 |
| Base 11 | 35911 | 37511 |
| Base 12 | 2b712 | 31112 |
| Base 13 | 26b13 | 28313 |
| Base 14 | 22714 | 23b14 |
| Base 15 | 1d715 | 1ea15 |
| Base 16 | 1ab16 | 1bd16 |