Compare 20681 vs 20939
| Property | 20681 | 20939 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206811 | 209391 |
| Prime factorization | 20681 | 20939 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20681 | 1, 20939 |
| Number of properties | 5 | 7 |
| Additive primes | 1082nd | 1093rd |
| Chen primes | 1159th | |
| Good primes | 258th | |
| Isolated primes | 1628th | 1644th |
| Long primes | 895th | |
| Primes | 2329th | 2355th |
| Pythagorean primes | 1158th | |
| Sophie germain primes | 340th | |
| Ulam primes | 176th | |
| Roman numberals | ||
| Base 2 | 1010000110010012 | 1010001110010112 |
| Base 3 | 10011002223 | 10012011123 |
| Base 4 | 110030214 | 110130234 |
| Base 5 | 11302115 | 11322245 |
| Base 6 | 2354256 | 2405356 |
| Base 7 | 1142037 | 1150227 |
| Base 8 | 503118 | 507138 |
| Base 9 | 313289 | 316459 |
| Base 10 | 2068110 | 2093910 |
| Base 11 | 145a111 | 1480611 |
| Base 12 | bb7512 | 1014b12 |
| Base 13 | 954b13 | 96b913 |
| Base 14 | 777314 | 78b914 |
| Base 15 | 61db15 | 630e15 |
| Base 16 | 50c916 | 51cb16 |