Compare 1803 vs 1805
| Property | 1803 | 1805 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 6011 | 51 × 192 |
| Prime factorization | 3 × 601 | 5 × 19 × 19 |
| Divisors count | 4 | 6 |
| Divisors | 1, 3, 601, 1803 | 1, 5, 19, 95, 361, 1805 |
| Number of properties | 1 | 0 |
| Semiprimes | 519th | |
| Roman numberals | MDCCCIII | MDCCCV |
| Base 2 | 111000010112 | 111000011012 |
| Base 3 | 21102103 | 21102123 |
| Base 4 | 1300234 | 1300314 |
| Base 5 | 242035 | 242105 |
| Base 6 | 122036 | 122056 |
| Base 7 | 51547 | 51567 |
| Base 8 | 34138 | 34158 |
| Base 9 | 24239 | 24259 |
| Base 10 | 180310 | 180510 |
| Base 11 | 139a11 | 13a111 |
| Base 12 | 106312 | 106512 |
| Base 13 | a8913 | a8b13 |
| Base 14 | 92b14 | 92d14 |
| Base 15 | 80315 | 80515 |
| Base 16 | 70b16 | 70d16 |