Compare 20979 vs 20990
| Property | 20979 | 20990 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 6 | 3 |
| Prime factorization | 34 × 71 × 371 | 21 × 51 × 20991 |
| Prime factorization | 3 × 3 × 3 × 3 × 7 × 37 | 2 × 5 × 2099 |
| Divisors count | 20 | 8 |
| Divisors | 1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 20979 | 1, 2, 5, 10, 2099, 4198, 10495, 20990 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010001111100112 | 1010001111111102 |
| Base 3 | 10012100003 | 10012101023 |
| Base 4 | 110133034 | 110133324 |
| Base 5 | 11324045 | 11324305 |
| Base 6 | 2410436 | 2411026 |
| Base 7 | 1151107 | 1151247 |
| Base 8 | 507638 | 507768 |
| Base 9 | 317009 | 317129 |
| Base 10 | 2097910 | 2099010 |
| Base 11 | 1484211 | 1485211 |
| Base 12 | 1018312 | 1019212 |
| Base 13 | 971a13 | 972813 |
| Base 14 | 790714 | 791414 |
| Base 15 | 633915 | 634515 |
| Base 16 | 51f316 | 51fe16 |