Compare 1840 vs 1849
| Property | 1840 | 1849 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 51 × 231 | 432 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 23 | 43 × 43 |
| Divisors count | 20 | 3 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840 | 1, 43, 1849 |
| Number of properties | 0 | 1 |
| Semiprimes | 533rd | |
| Roman numberals | MDCCCXL | MDCCCXLIX |
| Base 2 | 111001100002 | 111001110012 |
| Base 3 | 21120113 | 21121113 |
| Base 4 | 1303004 | 1303214 |
| Base 5 | 243305 | 243445 |
| Base 6 | 123046 | 123216 |
| Base 7 | 52367 | 52517 |
| Base 8 | 34608 | 34718 |
| Base 9 | 24649 | 24749 |
| Base 10 | 184010 | 184910 |
| Base 11 | 142311 | 143111 |
| Base 12 | 109412 | 10a112 |
| Base 13 | ab713 | ac313 |
| Base 14 | 95614 | 96114 |
| Base 15 | 82a15 | 83415 |
| Base 16 | 73016 | 73916 |