Compare 1840 vs 1841
| Property | 1840 | 1841 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 51 × 231 | 71 × 2631 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 23 | 7 × 263 |
| Divisors count | 20 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840 | 1, 7, 263, 1841 |
| Number of properties | 0 | 1 |
| Semiprimes | 531st | |
| Roman numberals | MDCCCXL | MDCCCXLI |
| Base 2 | 111001100002 | 111001100012 |
| Base 3 | 21120113 | 21120123 |
| Base 4 | 1303004 | 1303014 |
| Base 5 | 243305 | 243315 |
| Base 6 | 123046 | 123056 |
| Base 7 | 52367 | 52407 |
| Base 8 | 34608 | 34618 |
| Base 9 | 24649 | 24659 |
| Base 10 | 184010 | 184110 |
| Base 11 | 142311 | 142411 |
| Base 12 | 109412 | 109512 |
| Base 13 | ab713 | ab813 |
| Base 14 | 95614 | 95714 |
| Base 15 | 82a15 | 82b15 |
| Base 16 | 73016 | 73116 |