Compare 2009 vs 2013
| Property | 2009 | 2013 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 72 × 411 | 31 × 111 × 611 |
| Prime factorization | 7 × 7 × 41 | 3 × 11 × 61 |
| Divisors count | 6 | 8 |
| Divisors | 1, 7, 41, 49, 287, 2009 | 1, 3, 11, 33, 61, 183, 671, 2013 |
| Number of properties | 0 | 0 |
| Roman numberals | MMIX | MMXIII |
| Base 2 | 111110110012 | 111110111012 |
| Base 3 | 22021023 | 22021203 |
| Base 4 | 1331214 | 1331314 |
| Base 5 | 310145 | 310235 |
| Base 6 | 131456 | 131536 |
| Base 7 | 56007 | 56047 |
| Base 8 | 37318 | 37358 |
| Base 9 | 26729 | 26769 |
| Base 10 | 200910 | 201310 |
| Base 11 | 156711 | 157011 |
| Base 12 | 11b512 | 11b912 |
| Base 13 | bb713 | bbb13 |
| Base 14 | a3714 | a3b14 |
| Base 15 | 8de15 | 8e315 |
| Base 16 | 7d916 | 7dd16 |