Compare 856 vs 857
| Property | 856 | 857 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 23 × 1071 | 8571 |
| Prime factorization | 2 × 2 × 2 × 107 | 857 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 4, 8, 107, 214, 428, 856 | 1, 857 |
| Number of properties | 0 | 9 |
| Chen primes | 101st | |
| Cousin primes (2nd member) | 35th | |
| Long primes | 52nd | |
| Primes | 148th | |
| Prime triplets (1st member) | 28th | |
| Prime triplets (2nd member) | 27th | |
| Pythagorean primes | 72nd | |
| Sexy primes (1st member) | 67th | |
| Twin primes (1st member) | 34th | |
| Roman numberals | DCCCLVI | DCCCLVII |
| Base 2 | 11010110002 | 11010110012 |
| Base 3 | 10112013 | 10112023 |
| Base 4 | 311204 | 311214 |
| Base 5 | 114115 | 114125 |
| Base 6 | 35446 | 35456 |
| Base 7 | 23327 | 23337 |
| Base 8 | 15308 | 15318 |
| Base 9 | 11519 | 11529 |
| Base 10 | 85610 | 85710 |
| Base 11 | 70911 | 70a11 |
| Base 12 | 5b412 | 5b512 |
| Base 13 | 50b13 | 50c13 |
| Base 14 | 45214 | 45314 |
| Base 15 | 3c115 | 3c215 |
| Base 16 | 35816 | 35916 |