Compare 163781 vs 164147
| Property | 163781 | 164147 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1637811 | 1641471 |
| Prime factorization | 163781 | 164147 |
| Divisors count | 2 | 2 |
| Divisors | 1, 163781 | 1, 164147 |
| Number of properties | 6 | 6 |
| Additive primes | 6156th | |
| Chen primes | 6391st | 6402nd |
| Emirps | 3311th | |
| Harmonic primes | 5642nd | |
| Isolated primes | 11327th | |
| Long primes | 5602nd | |
| Primes | 14996th | 15027th |
| Pythagorean primes | 7479th | |
| Safe primes | 996th | |
| Twin primes (1st member) | 1839th | |
| Roman numberals | ||
| Base 2 | 1001111111110001012 | 1010000001001100112 |
| Base 3 | 220221222223 | 221000111123 |
| Base 4 | 2133330114 | 2200103034 |
| Base 5 | 202201115 | 202230425 |
| Base 6 | 33021256 | 33035356 |
| Base 7 | 12513327 | 12523647 |
| Base 8 | 4777058 | 5004638 |
| Base 9 | 2685889 | 2701459 |
| Base 10 | 16378110 | 16414710 |
| Base 11 | 10206211 | 10236511 |
| Base 12 | 7a94512 | 7abab12 |
| Base 13 | 5971713 | 5993913 |
| Base 14 | 4398914 | 43b6b14 |
| Base 15 | 337db15 | 3398215 |
| Base 16 | 27fc516 | 2813316 |