Compare 2156 vs 2165
| Property | 2156 | 2165 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 72 × 111 | 51 × 4331 |
| Prime factorization | 2 × 2 × 7 × 7 × 11 | 5 × 433 |
| Divisors count | 18 | 4 |
| Divisors | 1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156 | 1, 5, 433, 2165 |
| Number of properties | 0 | 1 |
| Semiprimes | 617th | |
| Roman numberals | MMCLVI | MMCLXV |
| Base 2 | 1000011011002 | 1000011101012 |
| Base 3 | 22212123 | 22220123 |
| Base 4 | 2012304 | 2013114 |
| Base 5 | 321115 | 321305 |
| Base 6 | 135526 | 140056 |
| Base 7 | 62007 | 62127 |
| Base 8 | 41548 | 41658 |
| Base 9 | 28559 | 28659 |
| Base 10 | 215610 | 216510 |
| Base 11 | 169011 | 169911 |
| Base 12 | 12b812 | 130512 |
| Base 13 | c9b13 | ca713 |
| Base 14 | b0014 | b0914 |
| Base 15 | 98b15 | 99515 |
| Base 16 | 86c16 | 87516 |