Compare 1819 vs 1849
| Property | 1819 | 1849 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 2 |
| Prime factorization | 171 × 1071 | 432 |
| Prime factorization | 17 × 107 | 43 × 43 |
| Divisors count | 4 | 3 |
| Divisors | 1, 17, 107, 1819 | 1, 43, 1849 |
| Number of properties | 1 | 1 |
| Semiprimes | 523rd | 533rd |
| Roman numberals | MDCCCXIX | MDCCCXLIX |
| Base 2 | 111000110112 | 111001110012 |
| Base 3 | 21111013 | 21121113 |
| Base 4 | 1301234 | 1303214 |
| Base 5 | 242345 | 243445 |
| Base 6 | 122316 | 123216 |
| Base 7 | 52067 | 52517 |
| Base 8 | 34338 | 34718 |
| Base 9 | 24419 | 24749 |
| Base 10 | 181910 | 184910 |
| Base 11 | 140411 | 143111 |
| Base 12 | 107712 | 10a112 |
| Base 13 | a9c13 | ac313 |
| Base 14 | 93d14 | 96114 |
| Base 15 | 81415 | 83415 |
| Base 16 | 71b16 | 73916 |