Compare 2005 vs 2012
| Property | 2005 | 2012 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 4011 | 22 × 5031 |
| Prime factorization | 5 × 401 | 2 × 2 × 503 |
| Divisors count | 4 | 6 |
| Divisors | 1, 5, 401, 2005 | 1, 2, 4, 503, 1006, 2012 |
| Number of properties | 1 | 0 |
| Semiprimes | 578th | |
| Roman numberals | MMV | MMXII |
| Base 2 | 111110101012 | 111110111002 |
| Base 3 | 22020213 | 22021123 |
| Base 4 | 1331114 | 1331304 |
| Base 5 | 310105 | 310225 |
| Base 6 | 131416 | 131526 |
| Base 7 | 55637 | 56037 |
| Base 8 | 37258 | 37348 |
| Base 9 | 26679 | 26759 |
| Base 10 | 200510 | 201210 |
| Base 11 | 156311 | 156a11 |
| Base 12 | 11b112 | 11b812 |
| Base 13 | bb313 | bba13 |
| Base 14 | a3314 | a3a14 |
| Base 15 | 8da15 | 8e215 |
| Base 16 | 7d516 | 7dc16 |