Compare 20857 vs 21059
| Property | 20857 | 21059 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208571 | 210591 |
| Prime factorization | 20857 | 21059 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20857 | 1, 21059 |
| Number of properties | 4 | 7 |
| Additive primes | 1099th | |
| Chen primes | 1165th | |
| Harmonic primes | 870th | |
| Isolated primes | 1637th | |
| Long primes | 891st | 901st |
| Primes | 2346th | 2368th |
| Pythagorean primes | 1167th | |
| Safe primes | 198th | |
| Twin primes (1st member) | 360th | |
| Roman numberals | ||
| Base 2 | 1010001011110012 | 1010010010000112 |
| Base 3 | 10011211113 | 10012122223 |
| Base 4 | 110113214 | 110210034 |
| Base 5 | 11314125 | 11332145 |
| Base 6 | 2403216 | 2412556 |
| Base 7 | 1145447 | 1152537 |
| Base 8 | 505718 | 511038 |
| Base 9 | 315449 | 317889 |
| Base 10 | 2085710 | 2105910 |
| Base 11 | 1474111 | 1490511 |
| Base 12 | 100a112 | 1022b12 |
| Base 13 | 965513 | 977c13 |
| Base 14 | 785b14 | 796314 |
| Base 15 | 62a715 | 638e15 |
| Base 16 | 517916 | 524316 |