Compare 440 vs 451
| Property | 440 | 451 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 111 | 111 × 411 |
| Prime factorization | 2 × 2 × 2 × 5 × 11 | 11 × 41 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440 | 1, 11, 41, 451 |
| Number of properties | 0 | 1 |
| Semiprimes | 139th | |
| Roman numberals | CDXL | CDLI |
| Base 2 | 1101110002 | 1110000112 |
| Base 3 | 1210223 | 1212013 |
| Base 4 | 123204 | 130034 |
| Base 5 | 32305 | 33015 |
| Base 6 | 20126 | 20316 |
| Base 7 | 11667 | 12137 |
| Base 8 | 6708 | 7038 |
| Base 9 | 5389 | 5519 |
| Base 10 | 44010 | 45110 |
| Base 11 | 37011 | 38011 |
| Base 12 | 30812 | 31712 |
| Base 13 | 27b13 | 28913 |
| Base 14 | 23614 | 24314 |
| Base 15 | 1e515 | 20115 |
| Base 16 | 1b816 | 1c316 |