Compare 2840 vs 2845
| Property | 2840 | 2845 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 711 | 51 × 5691 |
| Prime factorization | 2 × 2 × 2 × 5 × 71 | 5 × 569 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840 | 1, 5, 569, 2845 |
| Number of properties | 0 | 1 |
| Semiprimes | 793rd | |
| Roman numberals | MMDCCCXL | MMDCCCXLV |
| Base 2 | 1011000110002 | 1011000111012 |
| Base 3 | 102200123 | 102201013 |
| Base 4 | 2301204 | 2301314 |
| Base 5 | 423305 | 423405 |
| Base 6 | 210526 | 211016 |
| Base 7 | 111657 | 112037 |
| Base 8 | 54308 | 54358 |
| Base 9 | 38059 | 38119 |
| Base 10 | 284010 | 284510 |
| Base 11 | 215211 | 215711 |
| Base 12 | 178812 | 179112 |
| Base 13 | 13a613 | 13ab13 |
| Base 14 | 106c14 | 107314 |
| Base 15 | c9515 | c9a15 |
| Base 16 | b1816 | b1d16 |