Compare 2005 vs 2016
| Property | 2005 | 2016 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 8 |
| Prime factorization | 51 × 4011 | 25 × 32 × 71 |
| Prime factorization | 5 × 401 | 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 |
| Divisors count | 4 | 36 |
| Divisors | 1, 5, 401, 2005 | 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016 |
| Number of properties | 1 | 0 |
| Semiprimes | 578th | |
| Roman numberals | MMV | MMXVI |
| Base 2 | 111110101012 | 111111000002 |
| Base 3 | 22020213 | 22022003 |
| Base 4 | 1331114 | 1332004 |
| Base 5 | 310105 | 310315 |
| Base 6 | 131416 | 132006 |
| Base 7 | 55637 | 56107 |
| Base 8 | 37258 | 37408 |
| Base 9 | 26679 | 26809 |
| Base 10 | 200510 | 201610 |
| Base 11 | 156311 | 157311 |
| Base 12 | 11b112 | 120012 |
| Base 13 | bb313 | bc113 |
| Base 14 | a3314 | a4014 |
| Base 15 | 8da15 | 8e615 |
| Base 16 | 7d516 | 7e016 |