Compare 18947 vs 19081
| Property | 18947 | 19081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189471 | 190811 |
| Prime factorization | 18947 | 19081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18947 | 1, 19081 |
| Number of properties | 5 | 8 |
| Additive primes | 1007th | 1010th |
| Chen primes | 1068th | 1076th |
| Harmonic primes | 783rd | |
| Isolated primes | 1502nd | |
| Lucky primes | 354th | |
| Primes | 2155th | 2168th |
| Pythagorean primes | 1075th | |
| Safe primes | 185th | |
| Sexy primes (1st member) | 663rd | |
| Twin primes (2nd member) | 328th | |
| Roman numberals | ||
| Base 2 | 1001010000000112 | 1001010100010012 |
| Base 3 | 2212222023 | 2220112013 |
| Base 4 | 102200034 | 102220214 |
| Base 5 | 11012425 | 11023115 |
| Base 6 | 2234156 | 2242016 |
| Base 7 | 1061457 | 1064267 |
| Base 8 | 450038 | 452118 |
| Base 9 | 278829 | 281519 |
| Base 10 | 1894710 | 1908110 |
| Base 11 | 1326511 | 1337711 |
| Base 12 | ab6b12 | b06112 |
| Base 13 | 881613 | 88ba13 |
| Base 14 | 6c9514 | 6d4d14 |
| Base 15 | 593215 | 59c115 |
| Base 16 | 4a0316 | 4a8916 |