Compare 20857 vs 20947
| Property | 20857 | 20947 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208571 | 209471 |
| Prime factorization | 20857 | 20947 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20857 | 1, 20947 |
| Number of properties | 4 | 3 |
| Chen primes | 1160th | |
| Isolated primes | 1637th | 1645th |
| Long primes | 891st | |
| Primes | 2346th | 2356th |
| Pythagorean primes | 1167th | |
| Roman numberals | ||
| Base 2 | 1010001011110012 | 1010001110100112 |
| Base 3 | 10011211113 | 10012012113 |
| Base 4 | 110113214 | 110131034 |
| Base 5 | 11314125 | 11322425 |
| Base 6 | 2403216 | 2405516 |
| Base 7 | 1145447 | 1150337 |
| Base 8 | 505718 | 507238 |
| Base 9 | 315449 | 316549 |
| Base 10 | 2085710 | 2094710 |
| Base 11 | 1474111 | 1481311 |
| Base 12 | 100a112 | 1015712 |
| Base 13 | 965513 | 96c413 |
| Base 14 | 785b14 | 78c314 |
| Base 15 | 62a715 | 631715 |
| Base 16 | 517916 | 51d316 |