Compare 2161 vs 2207
| Property | 2161 | 2207 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 21611 | 22071 |
| Prime factorization | 2161 | 2207 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2161 | 1, 2207 |
| Number of properties | 3 | 9 |
| Additive primes | 173rd | |
| Chen primes | 200th | |
| Cousin primes (2nd member) | 68th | |
| Isolated primes | 193rd | 196th |
| Long primes | 128th | |
| Lucas primes | 9th | |
| Primes | 326th | 329th |
| Pythagorean primes | 159th | |
| Safe primes | 42nd | |
| Sexy primes (1st member) | 136th | |
| Roman numberals | MMCLXI | MMCCVII |
| Base 2 | 1000011100012 | 1000100111112 |
| Base 3 | 22220013 | 100002023 |
| Base 4 | 2013014 | 2021334 |
| Base 5 | 321215 | 323125 |
| Base 6 | 140016 | 141156 |
| Base 7 | 62057 | 63027 |
| Base 8 | 41618 | 42378 |
| Base 9 | 28619 | 30229 |
| Base 10 | 216110 | 220710 |
| Base 11 | 169511 | 172711 |
| Base 12 | 130112 | 133b12 |
| Base 13 | ca313 | 100a13 |
| Base 14 | b0514 | b3914 |
| Base 15 | 99115 | 9c215 |
| Base 16 | 87116 | 89f16 |