Compare 2156 vs 2161
| Property | 2156 | 2161 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 22 × 72 × 111 | 21611 |
| Prime factorization | 2 × 2 × 7 × 7 × 11 | 2161 |
| Divisors count | 18 | 2 |
| Divisors | 1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156 | 1, 2161 |
| Number of properties | 0 | 3 |
| Isolated primes | 193rd | |
| Primes | 326th | |
| Pythagorean primes | 159th | |
| Roman numberals | MMCLVI | MMCLXI |
| Base 2 | 1000011011002 | 1000011100012 |
| Base 3 | 22212123 | 22220013 |
| Base 4 | 2012304 | 2013014 |
| Base 5 | 321115 | 321215 |
| Base 6 | 135526 | 140016 |
| Base 7 | 62007 | 62057 |
| Base 8 | 41548 | 41618 |
| Base 9 | 28559 | 28619 |
| Base 10 | 215610 | 216110 |
| Base 11 | 169011 | 169511 |
| Base 12 | 12b812 | 130112 |
| Base 13 | c9b13 | ca313 |
| Base 14 | b0014 | b0514 |
| Base 15 | 98b15 | 99115 |
| Base 16 | 86c16 | 87116 |