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 |