Compare 20509 vs 20731
| Property | 20509 | 20731 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205091 | 207311 |
| Prime factorization | 20509 | 20731 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20509 | 1, 20731 |
| Number of properties | 5 | 6 |
| Additive primes | 1085th | |
| Chen primes | 1148th | |
| Harmonic primes | 853rd | |
| Isolated primes | 1631st | |
| Long primes | 882nd | |
| Lucky primes | 375th | 379th |
| Primes | 2315th | 2334th |
| Pythagorean primes | 1152nd | |
| Twin primes (2nd member) | 349th | |
| Roman numberals | ||
| Base 2 | 1010000000111012 | 1010000111110112 |
| Base 3 | 10010101213 | 10011022113 |
| Base 4 | 110001314 | 110033234 |
| Base 5 | 11240145 | 11304115 |
| Base 6 | 2345416 | 2355516 |
| Base 7 | 1135367 | 1143047 |
| Base 8 | 500358 | 503738 |
| Base 9 | 311179 | 313849 |
| Base 10 | 2050910 | 2073110 |
| Base 11 | 1445511 | 1463711 |
| Base 12 | ba5112 | bbb712 |
| Base 13 | 944813 | 958913 |
| Base 14 | 768d14 | 77ab14 |
| Base 15 | 612415 | 622115 |
| Base 16 | 501d16 | 50fb16 |