Compare 20681 vs 20857
| Property | 20681 | 20857 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206811 | 208571 |
| Prime factorization | 20681 | 20857 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20681 | 1, 20857 |
| Number of properties | 5 | 4 |
| Additive primes | 1082nd | |
| Good primes | 258th | |
| Isolated primes | 1628th | 1637th |
| Long primes | 891st | |
| Primes | 2329th | 2346th |
| Pythagorean primes | 1158th | 1167th |
| Roman numberals | ||
| Base 2 | 1010000110010012 | 1010001011110012 |
| Base 3 | 10011002223 | 10011211113 |
| Base 4 | 110030214 | 110113214 |
| Base 5 | 11302115 | 11314125 |
| Base 6 | 2354256 | 2403216 |
| Base 7 | 1142037 | 1145447 |
| Base 8 | 503118 | 505718 |
| Base 9 | 313289 | 315449 |
| Base 10 | 2068110 | 2085710 |
| Base 11 | 145a111 | 1474111 |
| Base 12 | bb7512 | 100a112 |
| Base 13 | 954b13 | 965513 |
| Base 14 | 777314 | 785b14 |
| Base 15 | 61db15 | 62a715 |
| Base 16 | 50c916 | 517916 |