Compare 2180 vs 2181
| Property | 2180 | 2181 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 1091 | 31 × 7271 |
| Prime factorization | 2 × 2 × 5 × 109 | 3 × 727 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180 | 1, 3, 727, 2181 |
| Number of properties | 0 | 1 |
| Semiprimes | 623rd | |
| Roman numberals | MMCLXXX | MMCLXXXI |
| Base 2 | 1000100001002 | 1000100001012 |
| Base 3 | 22222023 | 22222103 |
| Base 4 | 2020104 | 2020114 |
| Base 5 | 322105 | 322115 |
| Base 6 | 140326 | 140336 |
| Base 7 | 62337 | 62347 |
| Base 8 | 42048 | 42058 |
| Base 9 | 28829 | 28839 |
| Base 10 | 218010 | 218110 |
| Base 11 | 170211 | 170311 |
| Base 12 | 131812 | 131912 |
| Base 13 | cb913 | cba13 |
| Base 14 | b1a14 | b1b14 |
| Base 15 | 9a515 | 9a615 |
| Base 16 | 88416 | 88516 |