Compare 1808 vs 1809
| Property | 1808 | 1809 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 2 |
| Total factors | 5 | 4 |
| Prime factorization | 24 × 1131 | 33 × 671 |
| Prime factorization | 2 × 2 × 2 × 2 × 113 | 3 × 3 × 3 × 67 |
| Divisors count | 10 | 8 |
| Divisors | 1, 2, 4, 8, 16, 113, 226, 452, 904, 1808 | 1, 3, 9, 27, 67, 201, 603, 1809 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCCVIII | MDCCCIX |
| Base 2 | 111000100002 | 111000100012 |
| Base 3 | 21102223 | 21110003 |
| Base 4 | 1301004 | 1301014 |
| Base 5 | 242135 | 242145 |
| Base 6 | 122126 | 122136 |
| Base 7 | 51627 | 51637 |
| Base 8 | 34208 | 34218 |
| Base 9 | 24289 | 24309 |
| Base 10 | 180810 | 180910 |
| Base 11 | 13a411 | 13a511 |
| Base 12 | 106812 | 106912 |
| Base 13 | a9113 | a9213 |
| Base 14 | 93214 | 93314 |
| Base 15 | 80815 | 80915 |
| Base 16 | 71016 | 71116 |