Compare 2161 vs 2309
| Property | 2161 | 2309 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 21611 | 23091 |
| Prime factorization | 2161 | 2309 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2161 | 1, 2309 |
| Number of properties | 3 | 7 |
| Chen primes | 208th | |
| Happy primes | 60th | |
| Harmonic primes | 127th | |
| Isolated primes | 193rd | |
| Long primes | 134th | |
| Primes | 326th | 343rd |
| Pythagorean primes | 159th | 168th |
| Twin primes (1st member) | 70th | |
| Roman numberals | MMCLXI | MMCCCIX |
| Base 2 | 1000011100012 | 1001000001012 |
| Base 3 | 22220013 | 100111123 |
| Base 4 | 2013014 | 2100114 |
| Base 5 | 321215 | 332145 |
| Base 6 | 140016 | 144056 |
| Base 7 | 62057 | 65067 |
| Base 8 | 41618 | 44058 |
| Base 9 | 28619 | 31459 |
| Base 10 | 216110 | 230910 |
| Base 11 | 169511 | 180a11 |
| Base 12 | 130112 | 140512 |
| Base 13 | ca313 | 108813 |
| Base 14 | b0514 | bad14 |
| Base 15 | 99115 | a3e15 |
| Base 16 | 87116 | 90516 |