Compare 163871 vs 164149
| Property | 163871 | 164149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1638711 | 1641491 |
| Prime factorization | 163871 | 164149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 163871 | 1, 164149 |
| Number of properties | 4 | 7 |
| Emirps | 3318th | 3322nd |
| Harmonic primes | 5643rd | |
| Isolated primes | 11334th | |
| Long primes | 5616th | |
| Lucky primes | 1948th | |
| Primes | 15005th | 15028th |
| Pythagorean primes | 7495th | |
| Twin primes (2nd member) | 1839th | |
| Ulam primes | 1077th | |
| Roman numberals | ||
| Base 2 | 1010000000000111112 | 1010000001001101012 |
| Base 3 | 220222100223 | 221000111213 |
| Base 4 | 2200001334 | 2200103114 |
| Base 5 | 202204415 | 202230445 |
| Base 6 | 33023556 | 33035416 |
| Base 7 | 12515217 | 12523667 |
| Base 8 | 5000378 | 5004658 |
| Base 9 | 2687089 | 2701479 |
| Base 10 | 16387110 | 16414910 |
| Base 11 | 10213411 | 10236711 |
| Base 12 | 7a9bb12 | 7abb112 |
| Base 13 | 5978613 | 5993b13 |
| Base 14 | 43a1114 | 43b6d14 |
| Base 15 | 3384b15 | 3398415 |
| Base 16 | 2801f16 | 2813516 |