Compare 18143 vs 18191
| Property | 18143 | 18191 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181431 | 181911 |
| Prime factorization | 18143 | 18191 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18143 | 1, 18191 |
| Number of properties | 6 | 4 |
| Additive primes | 977th | |
| Emirps | 562nd | |
| Happy primes | 356th | |
| Isolated primes | 1441st | 1445th |
| Long primes | 798th | |
| Primes | 2080th | 2084th |
| Sexy primes (1st member) | 642nd | |
| Sophie germain primes | 303rd | |
| Roman numberals | ||
| Base 2 | 1000110110111112 | 1000111000011112 |
| Base 3 | 2202122223 | 2202212023 |
| Base 4 | 101231334 | 101300334 |
| Base 5 | 10400335 | 10402315 |
| Base 6 | 2155556 | 2201156 |
| Base 7 | 1036167 | 1040157 |
| Base 8 | 433378 | 434178 |
| Base 9 | 267889 | 268529 |
| Base 10 | 1814310 | 1819110 |
| Base 11 | 126a411 | 1273811 |
| Base 12 | a5bb12 | a63b12 |
| Base 13 | 834813 | 838413 |
| Base 14 | 687d14 | 68b514 |
| Base 15 | 559815 | 55cb15 |
| Base 16 | 46df16 | 470f16 |