Compare 2004 vs 2005
| Property | 2004 | 2005 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 31 × 1671 | 51 × 4011 |
| Prime factorization | 2 × 2 × 3 × 167 | 5 × 401 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 4, 6, 12, 167, 334, 501, 668, 1002, 2004 | 1, 5, 401, 2005 |
| Number of properties | 0 | 1 |
| Semiprimes | 578th | |
| Roman numberals | MMIV | MMV |
| Base 2 | 111110101002 | 111110101012 |
| Base 3 | 22020203 | 22020213 |
| Base 4 | 1331104 | 1331114 |
| Base 5 | 310045 | 310105 |
| Base 6 | 131406 | 131416 |
| Base 7 | 55627 | 55637 |
| Base 8 | 37248 | 37258 |
| Base 9 | 26669 | 26679 |
| Base 10 | 200410 | 200510 |
| Base 11 | 156211 | 156311 |
| Base 12 | 11b012 | 11b112 |
| Base 13 | bb213 | bb313 |
| Base 14 | a3214 | a3314 |
| Base 15 | 8d915 | 8da15 |
| Base 16 | 7d416 | 7d516 |