Compare 20638 vs 20649
| Property | 20638 | 20649 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 171 × 6071 | 31 × 68831 |
| Prime factorization | 2 × 17 × 607 | 3 × 6883 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 17, 34, 607, 1214, 10319, 20638 | 1, 3, 6883, 20649 |
| Number of properties | 0 | 1 |
| Semiprimes | 5242nd | |
| Roman numberals | ||
| Base 2 | 1010000100111102 | 1010000101010012 |
| Base 3 | 10010221013 | 10010222103 |
| Base 4 | 110021324 | 110022214 |
| Base 5 | 11300235 | 11300445 |
| Base 6 | 2353146 | 2353336 |
| Base 7 | 1141127 | 1141267 |
| Base 8 | 502368 | 502518 |
| Base 9 | 312719 | 312839 |
| Base 10 | 2063810 | 2064910 |
| Base 11 | 1456211 | 1457211 |
| Base 12 | bb3a12 | bb4912 |
| Base 13 | 951713 | 952513 |
| Base 14 | 774214 | 774d14 |
| Base 15 | 61ad15 | 61b915 |
| Base 16 | 509e16 | 50a916 |