Compare 2145 vs 2156
| Property | 2145 | 2156 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 5 |
| Prime factorization | 31 × 51 × 111 × 131 | 22 × 72 × 111 |
| Prime factorization | 3 × 5 × 11 × 13 | 2 × 2 × 7 × 7 × 11 |
| Divisors count | 16 | 18 |
| Divisors | 1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145 | 1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156 |
| Number of properties | 0 | 0 |
| Roman numberals | MMCXLV | MMCLVI |
| Base 2 | 1000011000012 | 1000011011002 |
| Base 3 | 22211103 | 22212123 |
| Base 4 | 2012014 | 2012304 |
| Base 5 | 320405 | 321115 |
| Base 6 | 135336 | 135526 |
| Base 7 | 61537 | 62007 |
| Base 8 | 41418 | 41548 |
| Base 9 | 28439 | 28559 |
| Base 10 | 214510 | 215610 |
| Base 11 | 168011 | 169011 |
| Base 12 | 12a912 | 12b812 |
| Base 13 | c9013 | c9b13 |
| Base 14 | ad314 | b0014 |
| Base 15 | 98015 | 98b15 |
| Base 16 | 86116 | 86c16 |