Compare 20978 vs 20989
| Property | 20978 | 20989 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 171 × 6171 | 1391 × 1511 |
| Prime factorization | 2 × 17 × 617 | 139 × 151 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 17, 34, 617, 1234, 10489, 20978 | 1, 139, 151, 20989 |
| Number of properties | 0 | 1 |
| Semiprimes | 5324th | |
| Roman numberals | ||
| Base 2 | 1010001111100102 | 1010001111111012 |
| Base 3 | 10012022223 | 10012101013 |
| Base 4 | 110133024 | 110133314 |
| Base 5 | 11324035 | 11324245 |
| Base 6 | 2410426 | 2411016 |
| Base 7 | 1151067 | 1151237 |
| Base 8 | 507628 | 507758 |
| Base 9 | 316889 | 317119 |
| Base 10 | 2097810 | 2098910 |
| Base 11 | 1484111 | 1485111 |
| Base 12 | 1018212 | 1019112 |
| Base 13 | 971913 | 972713 |
| Base 14 | 790614 | 791314 |
| Base 15 | 633815 | 634415 |
| Base 16 | 51f216 | 51fd16 |