Compare 20641 vs 20647
| Property | 20641 | 20647 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 206411 | 111 × 18771 |
| Prime factorization | 20641 | 11 × 1877 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20641 | 1, 11, 1877, 20647 |
| Number of properties | 4 | 1 |
| Additive primes | 1080th | |
| Primes | 2327th | |
| Pythagorean primes | 1157th | |
| Semiprimes | 5241st | |
| Twin primes (2nd member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000101000012 | 1010000101001112 |
| Base 3 | 10010221113 | 10010222013 |
| Base 4 | 110022014 | 110022134 |
| Base 5 | 11300315 | 11300425 |
| Base 6 | 2353216 | 2353316 |
| Base 7 | 1141157 | 1141247 |
| Base 8 | 502418 | 502478 |
| Base 9 | 312749 | 312819 |
| Base 10 | 2064110 | 2064710 |
| Base 11 | 1456511 | 1457011 |
| Base 12 | bb4112 | bb4712 |
| Base 13 | 951a13 | 952313 |
| Base 14 | 774514 | 774b14 |
| Base 15 | 61b115 | 61b715 |
| Base 16 | 50a116 | 50a716 |