Compare 1209 vs 1216
| Property | 1209 | 1216 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 7 |
| Prime factorization | 31 × 131 × 311 | 26 × 191 |
| Prime factorization | 3 × 13 × 31 | 2 × 2 × 2 × 2 × 2 × 2 × 19 |
| Divisors count | 8 | 14 |
| Divisors | 1, 3, 13, 31, 39, 93, 403, 1209 | 1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCIX | MCCXVI |
| Base 2 | 100101110012 | 100110000002 |
| Base 3 | 11222103 | 12000013 |
| Base 4 | 1023214 | 1030004 |
| Base 5 | 143145 | 143315 |
| Base 6 | 53336 | 53446 |
| Base 7 | 33457 | 33557 |
| Base 8 | 22718 | 23008 |
| Base 9 | 15839 | 16019 |
| Base 10 | 120910 | 121610 |
| Base 11 | 9aa11 | a0611 |
| Base 12 | 84912 | 85412 |
| Base 13 | 72013 | 72713 |
| Base 14 | 62514 | 62c14 |
| Base 15 | 55915 | 56115 |
| Base 16 | 4b916 | 4c016 |