Compare 20681 vs 20981
| Property | 20681 | 20981 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206811 | 209811 |
| Prime factorization | 20681 | 20981 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20681 | 1, 20981 |
| Number of properties | 5 | 5 |
| Additive primes | 1082nd | |
| Chen primes | 1161st | |
| Good primes | 258th | 265th |
| Isolated primes | 1628th | |
| Primes | 2329th | 2359th |
| Pythagorean primes | 1158th | 1172nd |
| Twin primes (1st member) | 357th | |
| Roman numberals | ||
| Base 2 | 1010000110010012 | 1010001111101012 |
| Base 3 | 10011002223 | 10012100023 |
| Base 4 | 110030214 | 110133114 |
| Base 5 | 11302115 | 11324115 |
| Base 6 | 2354256 | 2410456 |
| Base 7 | 1142037 | 1151127 |
| Base 8 | 503118 | 507658 |
| Base 9 | 313289 | 317029 |
| Base 10 | 2068110 | 2098110 |
| Base 11 | 145a111 | 1484411 |
| Base 12 | bb7512 | 1018512 |
| Base 13 | 954b13 | 971c13 |
| Base 14 | 777314 | 790914 |
| Base 15 | 61db15 | 633b15 |
| Base 16 | 50c916 | 51f516 |