Compare 2145 vs 2147
| Property | 2145 | 2147 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 31 × 51 × 111 × 131 | 191 × 1131 |
| Prime factorization | 3 × 5 × 11 × 13 | 19 × 113 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145 | 1, 19, 113, 2147 |
| Number of properties | 0 | 1 |
| Semiprimes | 612th | |
| Roman numberals | MMCXLV | MMCXLVII |
| Base 2 | 1000011000012 | 1000011000112 |
| Base 3 | 22211103 | 22211123 |
| Base 4 | 2012014 | 2012034 |
| Base 5 | 320405 | 320425 |
| Base 6 | 135336 | 135356 |
| Base 7 | 61537 | 61557 |
| Base 8 | 41418 | 41438 |
| Base 9 | 28439 | 28459 |
| Base 10 | 214510 | 214710 |
| Base 11 | 168011 | 168211 |
| Base 12 | 12a912 | 12ab12 |
| Base 13 | c9013 | c9213 |
| Base 14 | ad314 | ad514 |
| Base 15 | 98015 | 98215 |
| Base 16 | 86116 | 86316 |