Compare 851 vs 856
| Property | 851 | 856 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 4 |
| Prime factorization | 231 × 371 | 23 × 1071 |
| Prime factorization | 23 × 37 | 2 × 2 × 2 × 107 |
| Divisors count | 4 | 8 |
| Divisors | 1, 23, 37, 851 | 1, 2, 4, 8, 107, 214, 428, 856 |
| Number of properties | 1 | 0 |
| Semiprimes | 257th | |
| Roman numberals | DCCCLI | DCCCLVI |
| Base 2 | 11010100112 | 11010110002 |
| Base 3 | 10111123 | 10112013 |
| Base 4 | 311034 | 311204 |
| Base 5 | 114015 | 114115 |
| Base 6 | 35356 | 35446 |
| Base 7 | 23247 | 23327 |
| Base 8 | 15238 | 15308 |
| Base 9 | 11459 | 11519 |
| Base 10 | 85110 | 85610 |
| Base 11 | 70411 | 70911 |
| Base 12 | 5ab12 | 5b412 |
| Base 13 | 50613 | 50b13 |
| Base 14 | 44b14 | 45214 |
| Base 15 | 3bb15 | 3c115 |
| Base 16 | 35316 | 35816 |