Compare 84 vs 85
| Property | 84 | 85 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 31 × 71 | 51 × 171 |
| Prime factorization | 2 × 2 × 3 × 7 | 5 × 17 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 | 1, 5, 17, 85 |
| Number of properties | 0 | 1 |
| Semiprimes | 28th | |
| Roman numberals | LXXXIV | LXXXV |
| Base 2 | 10101002 | 10101012 |
| Base 3 | 100103 | 100113 |
| Base 4 | 11104 | 11114 |
| Base 5 | 3145 | 3205 |
| Base 6 | 2206 | 2216 |
| Base 7 | 1507 | 1517 |
| Base 8 | 1248 | 1258 |
| Base 9 | 1039 | 1049 |
| Base 10 | 8410 | 8510 |
| Base 11 | 7711 | 7811 |
| Base 12 | 7012 | 7112 |
| Base 13 | 6613 | 6713 |
| Base 14 | 6014 | 6114 |
| Base 15 | 5915 | 5a15 |
| Base 16 | 5416 | 5516 |