Compare 1851 vs 1860
| Property | 1851 | 1860 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 31 × 6171 | 22 × 31 × 51 × 311 |
| Prime factorization | 3 × 617 | 2 × 2 × 3 × 5 × 31 |
| Divisors count | 4 | 24 |
| Divisors | 1, 3, 617, 1851 | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860 |
| Number of properties | 1 | 0 |
| Semiprimes | 534th | |
| Roman numberals | MDCCCLI | MDCCCLX |
| Base 2 | 111001110112 | 111010001002 |
| Base 3 | 21121203 | 21122203 |
| Base 4 | 1303234 | 1310104 |
| Base 5 | 244015 | 244205 |
| Base 6 | 123236 | 123406 |
| Base 7 | 52537 | 52657 |
| Base 8 | 34738 | 35048 |
| Base 9 | 24769 | 24869 |
| Base 10 | 185110 | 186010 |
| Base 11 | 143311 | 144111 |
| Base 12 | 10a312 | 10b012 |
| Base 13 | ac513 | b0113 |
| Base 14 | 96314 | 96c14 |
| Base 15 | 83615 | 84015 |
| Base 16 | 73b16 | 74416 |