Compare 1851 vs 1863
| Property | 1851 | 1863 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 5 |
| Prime factorization | 31 × 6171 | 34 × 231 |
| Prime factorization | 3 × 617 | 3 × 3 × 3 × 3 × 23 |
| Divisors count | 4 | 10 |
| Divisors | 1, 3, 617, 1851 | 1, 3, 9, 23, 27, 69, 81, 207, 621, 1863 |
| Number of properties | 1 | 0 |
| Semiprimes | 534th | |
| Roman numberals | MDCCCLI | MDCCCLXIII |
| Base 2 | 111001110112 | 111010001112 |
| Base 3 | 21121203 | 21200003 |
| Base 4 | 1303234 | 1310134 |
| Base 5 | 244015 | 244235 |
| Base 6 | 123236 | 123436 |
| Base 7 | 52537 | 53017 |
| Base 8 | 34738 | 35078 |
| Base 9 | 24769 | 25009 |
| Base 10 | 185110 | 186310 |
| Base 11 | 143311 | 144411 |
| Base 12 | 10a312 | 10b312 |
| Base 13 | ac513 | b0413 |
| Base 14 | 96314 | 97114 |
| Base 15 | 83615 | 84315 |
| Base 16 | 73b16 | 74716 |