Compare 19121 vs 20389
| Property | 19121 | 20389 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 191211 | 203891 |
| Prime factorization | 19121 | 20389 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19121 | 1, 20389 |
| Number of properties | 5 | 5 |
| Chen primes | 1077th | |
| Cousin primes (1st member) | 351st | |
| Isolated primes | 1515th | 1612th |
| Primes | 2170th | 2303rd |
| Pythagorean primes | 1076th | 1148th |
| Ulam primes | 157th | 168th |
| Roman numberals | ||
| Base 2 | 1001010101100012 | 1001111101001012 |
| Base 3 | 2220200123 | 10002220113 |
| Base 4 | 102223014 | 103322114 |
| Base 5 | 11024415 | 11230245 |
| Base 6 | 2243056 | 2342216 |
| Base 7 | 1065147 | 1133057 |
| Base 8 | 452618 | 476458 |
| Base 9 | 282059 | 308649 |
| Base 10 | 1912110 | 2038910 |
| Base 11 | 1340311 | 1435611 |
| Base 12 | b09512 | b97112 |
| Base 13 | 891b13 | 938513 |
| Base 14 | 6d7b14 | 760514 |
| Base 15 | 59eb15 | 609415 |
| Base 16 | 4ab116 | 4fa516 |