Compare 1819 vs 1853
| Property | 1819 | 1853 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 171 × 1071 | 171 × 1091 |
| Prime factorization | 17 × 107 | 17 × 109 |
| Divisors count | 4 | 4 |
| Divisors | 1, 17, 107, 1819 | 1, 17, 109, 1853 |
| Number of properties | 1 | 1 |
| Semiprimes | 523rd | 535th |
| Roman numberals | MDCCCXIX | MDCCCLIII |
| Base 2 | 111000110112 | 111001111012 |
| Base 3 | 21111013 | 21121223 |
| Base 4 | 1301234 | 1303314 |
| Base 5 | 242345 | 244035 |
| Base 6 | 122316 | 123256 |
| Base 7 | 52067 | 52557 |
| Base 8 | 34338 | 34758 |
| Base 9 | 24419 | 24789 |
| Base 10 | 181910 | 185310 |
| Base 11 | 140411 | 143511 |
| Base 12 | 107712 | 10a512 |
| Base 13 | a9c13 | ac713 |
| Base 14 | 93d14 | 96514 |
| Base 15 | 81415 | 83815 |
| Base 16 | 71b16 | 73d16 |