Compare 1807 vs 1808
| Property | 1807 | 1808 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 5 |
| Prime factorization | 131 × 1391 | 24 × 1131 |
| Prime factorization | 13 × 139 | 2 × 2 × 2 × 2 × 113 |
| Divisors count | 4 | 10 |
| Divisors | 1, 13, 139, 1807 | 1, 2, 4, 8, 16, 113, 226, 452, 904, 1808 |
| Number of properties | 1 | 0 |
| Semiprimes | 520th | |
| Roman numberals | MDCCCVII | MDCCCVIII |
| Base 2 | 111000011112 | 111000100002 |
| Base 3 | 21102213 | 21102223 |
| Base 4 | 1300334 | 1301004 |
| Base 5 | 242125 | 242135 |
| Base 6 | 122116 | 122126 |
| Base 7 | 51617 | 51627 |
| Base 8 | 34178 | 34208 |
| Base 9 | 24279 | 24289 |
| Base 10 | 180710 | 180810 |
| Base 11 | 13a311 | 13a411 |
| Base 12 | 106712 | 106812 |
| Base 13 | a9013 | a9113 |
| Base 14 | 93114 | 93214 |
| Base 15 | 80715 | 80815 |
| Base 16 | 70f16 | 71016 |