Compare 20978 vs 20990
| Property | 20978 | 20990 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 21 × 171 × 6171 | 21 × 51 × 20991 |
| Prime factorization | 2 × 17 × 617 | 2 × 5 × 2099 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 17, 34, 617, 1234, 10489, 20978 | 1, 2, 5, 10, 2099, 4198, 10495, 20990 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010001111100102 | 1010001111111102 |
| Base 3 | 10012022223 | 10012101023 |
| Base 4 | 110133024 | 110133324 |
| Base 5 | 11324035 | 11324305 |
| Base 6 | 2410426 | 2411026 |
| Base 7 | 1151067 | 1151247 |
| Base 8 | 507628 | 507768 |
| Base 9 | 316889 | 317129 |
| Base 10 | 2097810 | 2099010 |
| Base 11 | 1484111 | 1485211 |
| Base 12 | 1018212 | 1019212 |
| Base 13 | 971913 | 972813 |
| Base 14 | 790614 | 791414 |
| Base 15 | 633815 | 634515 |
| Base 16 | 51f216 | 51fe16 |