Compare 2149 vs 2161
| Property | 2149 | 2161 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 3071 | 21611 |
| Prime factorization | 7 × 307 | 2161 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 307, 2149 | 1, 2161 |
| Number of properties | 1 | 3 |
| Isolated primes | 193rd | |
| Primes | 326th | |
| Pythagorean primes | 159th | |
| Semiprimes | 613th | |
| Roman numberals | MMCXLIX | MMCLXI |
| Base 2 | 1000011001012 | 1000011100012 |
| Base 3 | 22211213 | 22220013 |
| Base 4 | 2012114 | 2013014 |
| Base 5 | 320445 | 321215 |
| Base 6 | 135416 | 140016 |
| Base 7 | 61607 | 62057 |
| Base 8 | 41458 | 41618 |
| Base 9 | 28479 | 28619 |
| Base 10 | 214910 | 216110 |
| Base 11 | 168411 | 169511 |
| Base 12 | 12b112 | 130112 |
| Base 13 | c9413 | ca313 |
| Base 14 | ad714 | b0514 |
| Base 15 | 98415 | 99115 |
| Base 16 | 86516 | 87116 |