Compare 20855 vs 20857
| Property | 20855 | 20857 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 431 × 971 | 208571 |
| Prime factorization | 5 × 43 × 97 | 20857 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 43, 97, 215, 485, 4171, 20855 | 1, 20857 |
| Number of properties | 0 | 4 |
| Isolated primes | 1637th | |
| Long primes | 891st | |
| Primes | 2346th | |
| Pythagorean primes | 1167th | |
| Roman numberals | ||
| Base 2 | 1010001011101112 | 1010001011110012 |
| Base 3 | 10011211023 | 10011211113 |
| Base 4 | 110113134 | 110113214 |
| Base 5 | 11314105 | 11314125 |
| Base 6 | 2403156 | 2403216 |
| Base 7 | 1145427 | 1145447 |
| Base 8 | 505678 | 505718 |
| Base 9 | 315429 | 315449 |
| Base 10 | 2085510 | 2085710 |
| Base 11 | 1473a11 | 1474111 |
| Base 12 | 1009b12 | 100a112 |
| Base 13 | 965313 | 965513 |
| Base 14 | 785914 | 785b14 |
| Base 15 | 62a515 | 62a715 |
| Base 16 | 517716 | 517916 |