Compare 2005 vs 2006
| Property | 2005 | 2006 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 4011 | 21 × 171 × 591 |
| Prime factorization | 5 × 401 | 2 × 17 × 59 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 401, 2005 | 1, 2, 17, 34, 59, 118, 1003, 2006 |
| Number of properties | 1 | 0 |
| Semiprimes | 578th | |
| Roman numberals | MMV | MMVI |
| Base 2 | 111110101012 | 111110101102 |
| Base 3 | 22020213 | 22020223 |
| Base 4 | 1331114 | 1331124 |
| Base 5 | 310105 | 310115 |
| Base 6 | 131416 | 131426 |
| Base 7 | 55637 | 55647 |
| Base 8 | 37258 | 37268 |
| Base 9 | 26679 | 26689 |
| Base 10 | 200510 | 200610 |
| Base 11 | 156311 | 156411 |
| Base 12 | 11b112 | 11b212 |
| Base 13 | bb313 | bb413 |
| Base 14 | a3314 | a3414 |
| Base 15 | 8da15 | 8db15 |
| Base 16 | 7d516 | 7d616 |