Compare 1803 vs 1813
| Property | 1803 | 1813 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 6011 | 72 × 371 |
| Prime factorization | 3 × 601 | 7 × 7 × 37 |
| Divisors count | 4 | 6 |
| Divisors | 1, 3, 601, 1803 | 1, 7, 37, 49, 259, 1813 |
| Number of properties | 1 | 0 |
| Semiprimes | 519th | |
| Roman numberals | MDCCCIII | MDCCCXIII |
| Base 2 | 111000010112 | 111000101012 |
| Base 3 | 21102103 | 21110113 |
| Base 4 | 1300234 | 1301114 |
| Base 5 | 242035 | 242235 |
| Base 6 | 122036 | 122216 |
| Base 7 | 51547 | 52007 |
| Base 8 | 34138 | 34258 |
| Base 9 | 24239 | 24349 |
| Base 10 | 180310 | 181310 |
| Base 11 | 139a11 | 13a911 |
| Base 12 | 106312 | 107112 |
| Base 13 | a8913 | a9613 |
| Base 14 | 92b14 | 93714 |
| Base 15 | 80315 | 80d15 |
| Base 16 | 70b16 | 71516 |