Compare 2187 vs 2191
| Property | 2187 | 2191 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 37 | 71 × 3131 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 × 3 × 3 | 7 × 313 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 9, 27, 81, 243, 729, 2187 | 1, 7, 313, 2191 |
| Number of properties | 0 | 1 |
| Semiprimes | 628th | |
| Roman numberals | MMCLXXXVII | MMCXCI |
| Base 2 | 1000100010112 | 1000100011112 |
| Base 3 | 100000003 | 100000113 |
| Base 4 | 2020234 | 2020334 |
| Base 5 | 322225 | 322315 |
| Base 6 | 140436 | 140516 |
| Base 7 | 62437 | 62507 |
| Base 8 | 42138 | 42178 |
| Base 9 | 30009 | 30049 |
| Base 10 | 218710 | 219110 |
| Base 11 | 170911 | 171211 |
| Base 12 | 132312 | 132712 |
| Base 13 | cc313 | cc713 |
| Base 14 | b2314 | b2714 |
| Base 15 | 9ac15 | 9b115 |
| Base 16 | 88b16 | 88f16 |