Compare 20809 vs 20939
| Property | 20809 | 20939 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208091 | 209391 |
| Prime factorization | 20809 | 20939 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20809 | 1, 20939 |
| Number of properties | 5 | 7 |
| Additive primes | 1091st | 1093rd |
| Chen primes | 1159th | |
| Harmonic primes | 859th | |
| Isolated primes | 1644th | |
| Long primes | 895th | |
| Primes | 2344th | 2355th |
| Pythagorean primes | 1165th | |
| Sophie germain primes | 340th | |
| Twin primes (2nd member) | 355th | |
| Ulam primes | 176th | |
| Roman numberals | ||
| Base 2 | 1010001010010012 | 1010001110010112 |
| Base 3 | 10011122013 | 10012011123 |
| Base 4 | 110110214 | 110130234 |
| Base 5 | 11312145 | 11322245 |
| Base 6 | 2402016 | 2405356 |
| Base 7 | 1144457 | 1150227 |
| Base 8 | 505118 | 507138 |
| Base 9 | 314819 | 316459 |
| Base 10 | 2080910 | 2093910 |
| Base 11 | 146a811 | 1480611 |
| Base 12 | 1006112 | 1014b12 |
| Base 13 | 961913 | 96b913 |
| Base 14 | 782514 | 78b914 |
| Base 15 | 627415 | 630e15 |
| Base 16 | 514916 | 51cb16 |