Compare 20681 vs 20809
| Property | 20681 | 20809 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206811 | 208091 |
| Prime factorization | 20681 | 20809 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20681 | 1, 20809 |
| Number of properties | 5 | 5 |
| Additive primes | 1082nd | 1091st |
| Good primes | 258th | |
| Harmonic primes | 859th | |
| Isolated primes | 1628th | |
| Primes | 2329th | 2344th |
| Pythagorean primes | 1158th | 1165th |
| Twin primes (2nd member) | 355th | |
| Roman numberals | ||
| Base 2 | 1010000110010012 | 1010001010010012 |
| Base 3 | 10011002223 | 10011122013 |
| Base 4 | 110030214 | 110110214 |
| Base 5 | 11302115 | 11312145 |
| Base 6 | 2354256 | 2402016 |
| Base 7 | 1142037 | 1144457 |
| Base 8 | 503118 | 505118 |
| Base 9 | 313289 | 314819 |
| Base 10 | 2068110 | 2080910 |
| Base 11 | 145a111 | 146a811 |
| Base 12 | bb7512 | 1006112 |
| Base 13 | 954b13 | 961913 |
| Base 14 | 777314 | 782514 |
| Base 15 | 61db15 | 627415 |
| Base 16 | 50c916 | 514916 |