Compare 20389 vs 20509
| Property | 20389 | 20509 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 203891 | 205091 |
| Prime factorization | 20389 | 20509 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20389 | 1, 20509 |
| Number of properties | 5 | 5 |
| Cousin primes (1st member) | 351st | |
| Isolated primes | 1612th | |
| Long primes | 882nd | |
| Lucky primes | 375th | |
| Primes | 2303rd | 2315th |
| Pythagorean primes | 1148th | 1152nd |
| Twin primes (2nd member) | 349th | |
| Ulam primes | 168th | |
| Roman numberals | ||
| Base 2 | 1001111101001012 | 1010000000111012 |
| Base 3 | 10002220113 | 10010101213 |
| Base 4 | 103322114 | 110001314 |
| Base 5 | 11230245 | 11240145 |
| Base 6 | 2342216 | 2345416 |
| Base 7 | 1133057 | 1135367 |
| Base 8 | 476458 | 500358 |
| Base 9 | 308649 | 311179 |
| Base 10 | 2038910 | 2050910 |
| Base 11 | 1435611 | 1445511 |
| Base 12 | b97112 | ba5112 |
| Base 13 | 938513 | 944813 |
| Base 14 | 760514 | 768d14 |
| Base 15 | 609415 | 612415 |
| Base 16 | 4fa516 | 501d16 |