Compare 20801 vs 20809
| Property | 20801 | 20809 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 111 × 311 × 611 | 208091 |
| Prime factorization | 11 × 31 × 61 | 20809 |
| Divisors count | 8 | 2 |
| Divisors | 1, 11, 31, 61, 341, 671, 1891, 20801 | 1, 20809 |
| Number of properties | 0 | 5 |
| Additive primes | 1091st | |
| Harmonic primes | 859th | |
| Primes | 2344th | |
| Pythagorean primes | 1165th | |
| Twin primes (2nd member) | 355th | |
| Roman numberals | ||
| Base 2 | 1010001010000012 | 1010001010010012 |
| Base 3 | 10011121023 | 10011122013 |
| Base 4 | 110110014 | 110110214 |
| Base 5 | 11312015 | 11312145 |
| Base 6 | 2401456 | 2402016 |
| Base 7 | 1144347 | 1144457 |
| Base 8 | 505018 | 505118 |
| Base 9 | 314729 | 314819 |
| Base 10 | 2080110 | 2080910 |
| Base 11 | 146a011 | 146a811 |
| Base 12 | 1005512 | 1006112 |
| Base 13 | 961113 | 961913 |
| Base 14 | 781b14 | 782514 |
| Base 15 | 626b15 | 627415 |
| Base 16 | 514116 | 514916 |