Compare 19115 vs 19121
| Property | 19115 | 19121 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 38231 | 191211 |
| Prime factorization | 5 × 3823 | 19121 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 3823, 19115 | 1, 19121 |
| Number of properties | 1 | 5 |
| Chen primes | 1077th | |
| Isolated primes | 1515th | |
| Primes | 2170th | |
| Pythagorean primes | 1076th | |
| Semiprimes | 4878th | |
| Ulam primes | 157th | |
| Roman numberals | ||
| Base 2 | 1001010101010112 | 1001010101100012 |
| Base 3 | 2220122223 | 2220200123 |
| Base 4 | 102222234 | 102223014 |
| Base 5 | 11024305 | 11024415 |
| Base 6 | 2242556 | 2243056 |
| Base 7 | 1065057 | 1065147 |
| Base 8 | 452538 | 452618 |
| Base 9 | 281889 | 282059 |
| Base 10 | 1911510 | 1912110 |
| Base 11 | 133a811 | 1340311 |
| Base 12 | b08b12 | b09512 |
| Base 13 | 891513 | 891b13 |
| Base 14 | 6d7514 | 6d7b14 |
| Base 15 | 59e515 | 59eb15 |
| Base 16 | 4aab16 | 4ab116 |