Compare 20509 vs 20887
| Property | 20509 | 20887 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205091 | 208871 |
| Prime factorization | 20509 | 20887 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20509 | 1, 20887 |
| Number of properties | 5 | 3 |
| Isolated primes | 1640th | |
| Long primes | 882nd | |
| Lucky primes | 375th | 381st |
| Primes | 2315th | 2349th |
| Pythagorean primes | 1152nd | |
| Twin primes (2nd member) | 349th | |
| Roman numberals | ||
| Base 2 | 1010000000111012 | 1010001100101112 |
| Base 3 | 10010101213 | 10011221213 |
| Base 4 | 110001314 | 110121134 |
| Base 5 | 11240145 | 11320225 |
| Base 6 | 2345416 | 2404116 |
| Base 7 | 1135367 | 1146167 |
| Base 8 | 500358 | 506278 |
| Base 9 | 311179 | 315779 |
| Base 10 | 2050910 | 2088710 |
| Base 11 | 1445511 | 1476911 |
| Base 12 | ba5112 | 1010712 |
| Base 13 | 944813 | 967913 |
| Base 14 | 768d14 | 787d14 |
| Base 15 | 612415 | 62c715 |
| Base 16 | 501d16 | 519716 |