Compare 2040 vs 2049
| Property | 2040 | 2049 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 4 | 2 | 
| Total factors | 6 | 2 | 
| Prime factorization | 23 × 31 × 51 × 171 | 31 × 6831 | 
| Prime factorization | 2 × 2 × 2 × 3 × 5 × 17 | 3 × 683 | 
| Divisors count | 32 | 4 | 
| Divisors | 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040 | 1, 3, 683, 2049 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 590th | |
| Roman numberals | MMXL | MMXLIX | 
| Base 2 | 111111110002 | 1000000000012 | 
| Base 3 | 22101203 | 22102203 | 
| Base 4 | 1333204 | 2000014 | 
| Base 5 | 311305 | 311445 | 
| Base 6 | 132406 | 132536 | 
| Base 7 | 56437 | 56557 | 
| Base 8 | 37708 | 40018 | 
| Base 9 | 27169 | 27269 | 
| Base 10 | 204010 | 204910 | 
| Base 11 | 159511 | 15a311 | 
| Base 12 | 122012 | 122912 | 
| Base 13 | c0c13 | c1813 | 
| Base 14 | a5a14 | a6514 | 
| Base 15 | 91015 | 91915 | 
| Base 16 | 7f816 | 80116 |