Compare 20 vs 40
| Property | 20 | 40 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 2 |
| Total factors | 3 | 4 |
| Prime factorization | 22 × 51 | 23 × 51 |
| Prime factorization | 2 × 2 × 5 | 2 × 2 × 2 × 5 |
| Divisors count | 6 | 8 |
| Divisors | 1, 2, 4, 5, 10, 20 | 1, 2, 4, 5, 8, 10, 20, 40 |
| Number of properties | 0 | 0 |
| Roman numberals | XX | XL |
| Base 2 | 101002 | 1010002 |
| Base 3 | 2023 | 11113 |
| Base 4 | 1104 | 2204 |
| Base 5 | 405 | 1305 |
| Base 6 | 326 | 1046 |
| Base 7 | 267 | 557 |
| Base 8 | 248 | 508 |
| Base 9 | 229 | 449 |
| Base 10 | 2010 | 4010 |
| Base 11 | 1911 | 3711 |
| Base 12 | 1812 | 3412 |
| Base 13 | 1713 | 3113 |
| Base 14 | 1614 | 2c14 |
| Base 15 | 1515 | 2a15 |
| Base 16 | 1416 | 2816 |