Compare 18947 vs 19121
| Property | 18947 | 19121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189471 | 191211 |
| Prime factorization | 18947 | 19121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18947 | 1, 19121 |
| Number of properties | 5 | 5 |
| Additive primes | 1007th | |
| Chen primes | 1068th | 1077th |
| Isolated primes | 1502nd | 1515th |
| Primes | 2155th | 2170th |
| Pythagorean primes | 1076th | |
| Safe primes | 185th | |
| Ulam primes | 157th | |
| Roman numberals | ||
| Base 2 | 1001010000000112 | 1001010101100012 |
| Base 3 | 2212222023 | 2220200123 |
| Base 4 | 102200034 | 102223014 |
| Base 5 | 11012425 | 11024415 |
| Base 6 | 2234156 | 2243056 |
| Base 7 | 1061457 | 1065147 |
| Base 8 | 450038 | 452618 |
| Base 9 | 278829 | 282059 |
| Base 10 | 1894710 | 1912110 |
| Base 11 | 1326511 | 1340311 |
| Base 12 | ab6b12 | b09512 |
| Base 13 | 881613 | 891b13 |
| Base 14 | 6c9514 | 6d7b14 |
| Base 15 | 593215 | 59eb15 |
| Base 16 | 4a0316 | 4ab116 |