Compare 18947 vs 19031
| Property | 18947 | 19031 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189471 | 190311 |
| Prime factorization | 18947 | 19031 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18947 | 1, 19031 |
| Number of properties | 5 | 5 |
| Additive primes | 1007th | |
| Chen primes | 1068th | 1073rd |
| Isolated primes | 1502nd | 1509th |
| Primes | 2155th | 2162nd |
| Safe primes | 185th | |
| Sexy primes (1st member) | 661st | |
| Ulam primes | 156th | |
| Roman numberals | ||
| Base 2 | 1001010000000112 | 1001010010101112 |
| Base 3 | 2212222023 | 2220022123 |
| Base 4 | 102200034 | 102211134 |
| Base 5 | 11012425 | 11021115 |
| Base 6 | 2234156 | 2240356 |
| Base 7 | 1061457 | 1063257 |
| Base 8 | 450038 | 451278 |
| Base 9 | 278829 | 280859 |
| Base 10 | 1894710 | 1903110 |
| Base 11 | 1326511 | 1333111 |
| Base 12 | ab6b12 | b01b12 |
| Base 13 | 881613 | 887c13 |
| Base 14 | 6c9514 | 6d1514 |
| Base 15 | 593215 | 598b15 |
| Base 16 | 4a0316 | 4a5716 |