Compare 1803 vs 1821
| Property | 1803 | 1821 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 6011 | 31 × 6071 |
| Prime factorization | 3 × 601 | 3 × 607 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 601, 1803 | 1, 3, 607, 1821 |
| Number of properties | 1 | 1 |
| Semiprimes | 519th | 524th |
| Roman numberals | MDCCCIII | MDCCCXXI |
| Base 2 | 111000010112 | 111000111012 |
| Base 3 | 21102103 | 21111103 |
| Base 4 | 1300234 | 1301314 |
| Base 5 | 242035 | 242415 |
| Base 6 | 122036 | 122336 |
| Base 7 | 51547 | 52117 |
| Base 8 | 34138 | 34358 |
| Base 9 | 24239 | 24439 |
| Base 10 | 180310 | 182110 |
| Base 11 | 139a11 | 140611 |
| Base 12 | 106312 | 107912 |
| Base 13 | a8913 | aa113 |
| Base 14 | 92b14 | 94114 |
| Base 15 | 80315 | 81615 |
| Base 16 | 70b16 | 71d16 |