Compare 2161 vs 2251
| Property | 2161 | 2251 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 21611 | 22511 |
| Prime factorization | 2161 | 2251 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2161 | 1, 2251 |
| Number of properties | 3 | 6 |
| Chen primes | 204th | |
| Harmonic primes | 122nd | |
| Isolated primes | 193rd | 200th |
| Long primes | 130th | |
| Lucky primes | 76th | |
| Primes | 326th | 335th |
| Pythagorean primes | 159th | |
| Roman numberals | MMCLXI | MMCCLI |
| Base 2 | 1000011100012 | 1000110010112 |
| Base 3 | 22220013 | 100021013 |
| Base 4 | 2013014 | 2030234 |
| Base 5 | 321215 | 330015 |
| Base 6 | 140016 | 142316 |
| Base 7 | 62057 | 63647 |
| Base 8 | 41618 | 43138 |
| Base 9 | 28619 | 30719 |
| Base 10 | 216110 | 225110 |
| Base 11 | 169511 | 176711 |
| Base 12 | 130112 | 137712 |
| Base 13 | ca313 | 104213 |
| Base 14 | b0514 | b6b14 |
| Base 15 | 99115 | a0115 |
| Base 16 | 87116 | 8cb16 |