Compare 1840 vs 1843
| Property | 1840 | 1843 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 51 × 231 | 191 × 971 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 23 | 19 × 97 |
| 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, 19, 97, 1843 |
| Number of properties | 0 | 1 |
| Semiprimes | 532nd | |
| Roman numberals | MDCCCXL | MDCCCXLIII |
| Base 2 | 111001100002 | 111001100112 |
| Base 3 | 21120113 | 21120213 |
| Base 4 | 1303004 | 1303034 |
| Base 5 | 243305 | 243335 |
| Base 6 | 123046 | 123116 |
| Base 7 | 52367 | 52427 |
| Base 8 | 34608 | 34638 |
| Base 9 | 24649 | 24679 |
| Base 10 | 184010 | 184310 |
| Base 11 | 142311 | 142611 |
| Base 12 | 109412 | 109712 |
| Base 13 | ab713 | aba13 |
| Base 14 | 95614 | 95914 |
| Base 15 | 82a15 | 82d15 |
| Base 16 | 73016 | 73316 |