Compare 1851 vs 1856
| Property | 1851 | 1856 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 7 |
| Prime factorization | 31 × 6171 | 26 × 291 |
| Prime factorization | 3 × 617 | 2 × 2 × 2 × 2 × 2 × 2 × 29 |
| Divisors count | 4 | 14 |
| Divisors | 1, 3, 617, 1851 | 1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856 |
| Number of properties | 1 | 0 |
| Semiprimes | 534th | |
| Roman numberals | MDCCCLI | MDCCCLVI |
| Base 2 | 111001110112 | 111010000002 |
| Base 3 | 21121203 | 21122023 |
| Base 4 | 1303234 | 1310004 |
| Base 5 | 244015 | 244115 |
| Base 6 | 123236 | 123326 |
| Base 7 | 52537 | 52617 |
| Base 8 | 34738 | 35008 |
| Base 9 | 24769 | 24829 |
| Base 10 | 185110 | 185610 |
| Base 11 | 143311 | 143811 |
| Base 12 | 10a312 | 10a812 |
| Base 13 | ac513 | aca13 |
| Base 14 | 96314 | 96814 |
| Base 15 | 83615 | 83b15 |
| Base 16 | 73b16 | 74016 |