Compare 19121 vs 19681
| Property | 19121 | 19681 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 191211 | 196811 |
| Prime factorization | 19121 | 19681 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19121 | 1, 19681 |
| Number of properties | 5 | 7 |
| Chen primes | 1077th | |
| Emirps | 616th | |
| Harmonic primes | 805th | |
| Isolated primes | 1515th | 1556th |
| Primes | 2170th | 2227th |
| Pythagorean primes | 1076th | 1106th |
| Sexy primes (1st member) | 687th | |
| Ulam primes | 157th | 163rd |
| Roman numberals | ||
| Base 2 | 1001010101100012 | 1001100111000012 |
| Base 3 | 2220200123 | 2222222213 |
| Base 4 | 102223014 | 103032014 |
| Base 5 | 11024415 | 11122115 |
| Base 6 | 2243056 | 2310416 |
| Base 7 | 1065147 | 1112447 |
| Base 8 | 452618 | 463418 |
| Base 9 | 282059 | 288879 |
| Base 10 | 1912110 | 1968110 |
| Base 11 | 1340311 | 1387211 |
| Base 12 | b09512 | b48112 |
| Base 13 | 891b13 | 8c5c13 |
| Base 14 | 6d7b14 | 725b14 |
| Base 15 | 59eb15 | 5c7115 |
| Base 16 | 4ab116 | 4ce116 |