Compare 1380 vs 1387
| Property | 1380 | 1387 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 31 × 51 × 231 | 191 × 731 |
| Prime factorization | 2 × 2 × 3 × 5 × 23 | 19 × 73 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380 | 1, 19, 73, 1387 |
| Number of properties | 0 | 1 |
| Semiprimes | 410th | |
| Roman numberals | MCCCLXXX | MCCCLXXXVII |
| Base 2 | 101011001002 | 101011010112 |
| Base 3 | 12200103 | 12201013 |
| Base 4 | 1112104 | 1112234 |
| Base 5 | 210105 | 210225 |
| Base 6 | 102206 | 102316 |
| Base 7 | 40117 | 40217 |
| Base 8 | 25448 | 25538 |
| Base 9 | 18039 | 18119 |
| Base 10 | 138010 | 138710 |
| Base 11 | 104511 | 105111 |
| Base 12 | 97012 | 97712 |
| Base 13 | 82213 | 82913 |
| Base 14 | 70814 | 71114 |
| Base 15 | 62015 | 62715 |
| Base 16 | 56416 | 56b16 |