Compare 20857 vs 20887
| Property | 20857 | 20887 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208571 | 208871 |
| Prime factorization | 20857 | 20887 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20857 | 1, 20887 |
| Number of properties | 4 | 3 |
| Isolated primes | 1637th | 1640th |
| Long primes | 891st | |
| Lucky primes | 381st | |
| Primes | 2346th | 2349th |
| Pythagorean primes | 1167th | |
| Roman numberals | ||
| Base 2 | 1010001011110012 | 1010001100101112 |
| Base 3 | 10011211113 | 10011221213 |
| Base 4 | 110113214 | 110121134 |
| Base 5 | 11314125 | 11320225 |
| Base 6 | 2403216 | 2404116 |
| Base 7 | 1145447 | 1146167 |
| Base 8 | 505718 | 506278 |
| Base 9 | 315449 | 315779 |
| Base 10 | 2085710 | 2088710 |
| Base 11 | 1474111 | 1476911 |
| Base 12 | 100a112 | 1010712 |
| Base 13 | 965513 | 967913 |
| Base 14 | 785b14 | 787d14 |
| Base 15 | 62a715 | 62c715 |
| Base 16 | 517916 | 519716 |