Compare 2161 vs 2167
| Property | 2161 | 2167 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 21611 | 111 × 1971 |
| Prime factorization | 2161 | 11 × 197 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2161 | 1, 11, 197, 2167 |
| Number of properties | 3 | 1 |
| Isolated primes | 193rd | |
| Primes | 326th | |
| Pythagorean primes | 159th | |
| Semiprimes | 618th | |
| Roman numberals | MMCLXI | MMCLXVII |
| Base 2 | 1000011100012 | 1000011101112 |
| Base 3 | 22220013 | 22220213 |
| Base 4 | 2013014 | 2013134 |
| Base 5 | 321215 | 321325 |
| Base 6 | 140016 | 140116 |
| Base 7 | 62057 | 62147 |
| Base 8 | 41618 | 41678 |
| Base 9 | 28619 | 28679 |
| Base 10 | 216110 | 216710 |
| Base 11 | 169511 | 16a011 |
| Base 12 | 130112 | 130712 |
| Base 13 | ca313 | ca913 |
| Base 14 | b0514 | b0b14 |
| Base 15 | 99115 | 99715 |
| Base 16 | 87116 | 87716 |