Compare 780 vs 785
| Property | 780 | 785 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 31 × 51 × 131 | 51 × 1571 |
| Prime factorization | 2 × 2 × 3 × 5 × 13 | 5 × 157 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780 | 1, 5, 157, 785 |
| Number of properties | 0 | 1 |
| Semiprimes | 237th | |
| Roman numberals | DCCLXXX | DCCLXXXV |
| Base 2 | 11000011002 | 11000100012 |
| Base 3 | 10012203 | 10020023 |
| Base 4 | 300304 | 301014 |
| Base 5 | 111105 | 111205 |
| Base 6 | 33406 | 33456 |
| Base 7 | 21637 | 22017 |
| Base 8 | 14148 | 14218 |
| Base 9 | 10569 | 10629 |
| Base 10 | 78010 | 78510 |
| Base 11 | 64a11 | 65411 |
| Base 12 | 55012 | 55512 |
| Base 13 | 48013 | 48513 |
| Base 14 | 3da14 | 40114 |
| Base 15 | 37015 | 37515 |
| Base 16 | 30c16 | 31116 |