Compare 2005 vs 2010
| Property | 2005 | 2010 | 
|---|---|---|
| Type | semiprime | composite number | 
| Unique factors | 2 | 4 | 
| Total factors | 2 | 4 | 
| Prime factorization | 51 × 4011 | 21 × 31 × 51 × 671 | 
| Prime factorization | 5 × 401 | 2 × 3 × 5 × 67 | 
| Divisors count | 4 | 16 | 
| Divisors | 1, 5, 401, 2005 | 1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010 | 
| Number of properties | 1 | 0 | 
| Semiprimes | 578th | |
| Roman numberals | MMV | MMX | 
| Base 2 | 111110101012 | 111110110102 | 
| Base 3 | 22020213 | 22021103 | 
| Base 4 | 1331114 | 1331224 | 
| Base 5 | 310105 | 310205 | 
| Base 6 | 131416 | 131506 | 
| Base 7 | 55637 | 56017 | 
| Base 8 | 37258 | 37328 | 
| Base 9 | 26679 | 26739 | 
| Base 10 | 200510 | 201010 | 
| Base 11 | 156311 | 156811 | 
| Base 12 | 11b112 | 11b612 | 
| Base 13 | bb313 | bb813 | 
| Base 14 | a3314 | a3814 | 
| Base 15 | 8da15 | 8e015 | 
| Base 16 | 7d516 | 7da16 |