Compare 2161 vs 2173
| Property | 2161 | 2173 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 21611 | 411 × 531 |
| Prime factorization | 2161 | 41 × 53 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2161 | 1, 41, 53, 2173 |
| Number of properties | 3 | 1 |
| Isolated primes | 193rd | |
| Primes | 326th | |
| Pythagorean primes | 159th | |
| Semiprimes | 620th | |
| Roman numberals | MMCLXI | MMCLXXIII |
| Base 2 | 1000011100012 | 1000011111012 |
| Base 3 | 22220013 | 22221113 |
| Base 4 | 2013014 | 2013314 |
| Base 5 | 321215 | 321435 |
| Base 6 | 140016 | 140216 |
| Base 7 | 62057 | 62237 |
| Base 8 | 41618 | 41758 |
| Base 9 | 28619 | 28749 |
| Base 10 | 216110 | 217310 |
| Base 11 | 169511 | 16a611 |
| Base 12 | 130112 | 131112 |
| Base 13 | ca313 | cb213 |
| Base 14 | b0514 | b1314 |
| Base 15 | 99115 | 99d15 |
| Base 16 | 87116 | 87d16 |