Compare 1809 vs 1812
| Property | 1809 | 1812 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 4 | 4 |
| Prime factorization | 33 × 671 | 22 × 31 × 1511 |
| Prime factorization | 3 × 3 × 3 × 67 | 2 × 2 × 3 × 151 |
| Divisors count | 8 | 12 |
| Divisors | 1, 3, 9, 27, 67, 201, 603, 1809 | 1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCCIX | MDCCCXII |
| Base 2 | 111000100012 | 111000101002 |
| Base 3 | 21110003 | 21110103 |
| Base 4 | 1301014 | 1301104 |
| Base 5 | 242145 | 242225 |
| Base 6 | 122136 | 122206 |
| Base 7 | 51637 | 51667 |
| Base 8 | 34218 | 34248 |
| Base 9 | 24309 | 24339 |
| Base 10 | 180910 | 181210 |
| Base 11 | 13a511 | 13a811 |
| Base 12 | 106912 | 107012 |
| Base 13 | a9213 | a9513 |
| Base 14 | 93314 | 93614 |
| Base 15 | 80915 | 80c15 |
| Base 16 | 71116 | 71416 |