Compare 2181 vs 2188
| Property | 2181 | 2188 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 7271 | 22 × 5471 |
| Prime factorization | 3 × 727 | 2 × 2 × 547 |
| Divisors count | 4 | 6 |
| Divisors | 1, 3, 727, 2181 | 1, 2, 4, 547, 1094, 2188 |
| Number of properties | 1 | 0 |
| Semiprimes | 623rd | |
| Roman numberals | MMCLXXXI | MMCLXXXVIII |
| Base 2 | 1000100001012 | 1000100011002 |
| Base 3 | 22222103 | 100000013 |
| Base 4 | 2020114 | 2020304 |
| Base 5 | 322115 | 322235 |
| Base 6 | 140336 | 140446 |
| Base 7 | 62347 | 62447 |
| Base 8 | 42058 | 42148 |
| Base 9 | 28839 | 30019 |
| Base 10 | 218110 | 218810 |
| Base 11 | 170311 | 170a11 |
| Base 12 | 131912 | 132412 |
| Base 13 | cba13 | cc413 |
| Base 14 | b1b14 | b2414 |
| Base 15 | 9a615 | 9ad15 |
| Base 16 | 88516 | 88c16 |