Compare 842 vs 845
| Property | 842 | 845 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 21 × 4211 | 51 × 132 |
| Prime factorization | 2 × 421 | 5 × 13 × 13 |
| Divisors count | 4 | 6 |
| Divisors | 1, 2, 421, 842 | 1, 5, 13, 65, 169, 845 |
| Number of properties | 1 | 0 |
| Semiprimes | 254th | |
| Roman numberals | DCCCXLII | DCCCXLV |
| Base 2 | 11010010102 | 11010011012 |
| Base 3 | 10110123 | 10110223 |
| Base 4 | 310224 | 310314 |
| Base 5 | 113325 | 113405 |
| Base 6 | 35226 | 35256 |
| Base 7 | 23127 | 23157 |
| Base 8 | 15128 | 15158 |
| Base 9 | 11359 | 11389 |
| Base 10 | 84210 | 84510 |
| Base 11 | 6a611 | 6a911 |
| Base 12 | 5a212 | 5a512 |
| Base 13 | 4ca13 | 50013 |
| Base 14 | 44214 | 44514 |
| Base 15 | 3b215 | 3b515 |
| Base 16 | 34a16 | 34d16 |