Compare 2009 vs 2010
| Property | 2009 | 2010 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 4 |
| Total factors | 3 | 4 |
| Prime factorization | 72 × 411 | 21 × 31 × 51 × 671 |
| Prime factorization | 7 × 7 × 41 | 2 × 3 × 5 × 67 |
| Divisors count | 6 | 16 |
| Divisors | 1, 7, 41, 49, 287, 2009 | 1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010 |
| Number of properties | 0 | 0 |
| Roman numberals | MMIX | MMX |
| Base 2 | 111110110012 | 111110110102 |
| Base 3 | 22021023 | 22021103 |
| Base 4 | 1331214 | 1331224 |
| Base 5 | 310145 | 310205 |
| Base 6 | 131456 | 131506 |
| Base 7 | 56007 | 56017 |
| Base 8 | 37318 | 37328 |
| Base 9 | 26729 | 26739 |
| Base 10 | 200910 | 201010 |
| Base 11 | 156711 | 156811 |
| Base 12 | 11b512 | 11b612 |
| Base 13 | bb713 | bb813 |
| Base 14 | a3714 | a3814 |
| Base 15 | 8de15 | 8e015 |
| Base 16 | 7d916 | 7da16 |