Compare 20389 vs 20849
| Property | 20389 | 20849 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 203891 | 208491 |
| Prime factorization | 20389 | 20849 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20389 | 1, 20849 |
| Number of properties | 5 | 8 |
| Additive primes | 1092nd | |
| Chen primes | 1155th | |
| Cousin primes (1st member) | 351st | |
| Good primes | 262nd | |
| Harmonic primes | 860th | |
| Isolated primes | 1612th | 1636th |
| Primes | 2303rd | 2345th |
| Pythagorean primes | 1148th | 1166th |
| Ulam primes | 168th | 175th |
| Roman numberals | ||
| Base 2 | 1001111101001012 | 1010001011100012 |
| Base 3 | 10002220113 | 10011210123 |
| Base 4 | 103322114 | 110113014 |
| Base 5 | 11230245 | 11313445 |
| Base 6 | 2342216 | 2403056 |
| Base 7 | 1133057 | 1145337 |
| Base 8 | 476458 | 505618 |
| Base 9 | 308649 | 315359 |
| Base 10 | 2038910 | 2084910 |
| Base 11 | 1435611 | 1473411 |
| Base 12 | b97112 | 1009512 |
| Base 13 | 938513 | 964a13 |
| Base 14 | 760514 | 785314 |
| Base 15 | 609415 | 629e15 |
| Base 16 | 4fa516 | 517116 |