Compare 20638 vs 20641
| Property | 20638 | 20641 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 171 × 6071 | 206411 |
| Prime factorization | 2 × 17 × 607 | 20641 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 17, 34, 607, 1214, 10319, 20638 | 1, 20641 |
| Number of properties | 0 | 4 |
| Additive primes | 1080th | |
| Primes | 2327th | |
| Pythagorean primes | 1157th | |
| Twin primes (2nd member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100111102 | 1010000101000012 |
| Base 3 | 10010221013 | 10010221113 |
| Base 4 | 110021324 | 110022014 |
| Base 5 | 11300235 | 11300315 |
| Base 6 | 2353146 | 2353216 |
| Base 7 | 1141127 | 1141157 |
| Base 8 | 502368 | 502418 |
| Base 9 | 312719 | 312749 |
| Base 10 | 2063810 | 2064110 |
| Base 11 | 1456211 | 1456511 |
| Base 12 | bb3a12 | bb4112 |
| Base 13 | 951713 | 951a13 |
| Base 14 | 774214 | 774514 |
| Base 15 | 61ad15 | 61b115 |
| Base 16 | 509e16 | 50a116 |