Compare 2191 vs 2209
| Property | 2191 | 2209 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 3131 | 472 |
| Prime factorization | 7 × 313 | 47 × 47 |
| Divisors count | 4 | 3 |
| Divisors | 1, 7, 313, 2191 | 1, 47, 2209 |
| Number of properties | 1 | 1 |
| Semiprimes | 628th | 634th |
| Roman numberals | MMCXCI | MMCCIX |
| Base 2 | 1000100011112 | 1000101000012 |
| Base 3 | 100000113 | 100002113 |
| Base 4 | 2020334 | 2022014 |
| Base 5 | 322315 | 323145 |
| Base 6 | 140516 | 141216 |
| Base 7 | 62507 | 63047 |
| Base 8 | 42178 | 42418 |
| Base 9 | 30049 | 30249 |
| Base 10 | 219110 | 220910 |
| Base 11 | 171211 | 172911 |
| Base 12 | 132712 | 134112 |
| Base 13 | cc713 | 100c13 |
| Base 14 | b2714 | b3b14 |
| Base 15 | 9b115 | 9c415 |
| Base 16 | 88f16 | 8a116 |