Compare 445 vs 481
| Property | 445 | 481 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 891 | 131 × 371 |
| Prime factorization | 5 × 89 | 13 × 37 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 89, 445 | 1, 13, 37, 481 |
| Number of properties | 1 | 1 |
| Semiprimes | 136th | 148th |
| Roman numberals | CDXLV | CDLXXXI |
| Base 2 | 1101111012 | 1111000012 |
| Base 3 | 1211113 | 1222113 |
| Base 4 | 123314 | 132014 |
| Base 5 | 32405 | 34115 |
| Base 6 | 20216 | 21216 |
| Base 7 | 12047 | 12557 |
| Base 8 | 6758 | 7418 |
| Base 9 | 5449 | 5849 |
| Base 10 | 44510 | 48110 |
| Base 11 | 37511 | 3a811 |
| Base 12 | 31112 | 34112 |
| Base 13 | 28313 | 2b013 |
| Base 14 | 23b14 | 26514 |
| Base 15 | 1ea15 | 22115 |
| Base 16 | 1bd16 | 1e116 |