Compare 123780 vs 123781
| Property | 123780 | 123781 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 31 × 51 × 20631 | 71 × 176831 |
| Prime factorization | 2 × 2 × 3 × 5 × 2063 | 7 × 17683 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2063, 4126, 6189, 8252, 10315, 12378, 20630, 24756, 30945, 41260, 61890, 123780 | 1, 7, 17683, 123781 |
| Number of properties | 0 | 1 |
| Semiprimes | 28655th | |
| Roman numberals | ||
| Base 2 | 111100011100001002 | 111100011100001012 |
| Base 3 | 200212101103 | 200212101113 |
| Base 4 | 1320320104 | 1320320114 |
| Base 5 | 124301105 | 124301115 |
| Base 6 | 23530206 | 23530216 |
| Base 7 | 10236067 | 10236107 |
| Base 8 | 3616048 | 3616058 |
| Base 9 | 2077139 | 2077149 |
| Base 10 | 12378010 | 12378110 |
| Base 11 | 84aa811 | 84aa911 |
| Base 12 | 5b77012 | 5b77112 |
| Base 13 | 4445713 | 4445813 |
| Base 14 | 3317614 | 3317714 |
| Base 15 | 26a2015 | 26a2115 |
| Base 16 | 1e38416 | 1e38516 |