Compare 20681 vs 20771
| Property | 20681 | 20771 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206811 | 207711 |
| Prime factorization | 20681 | 20771 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20681 | 1, 20771 |
| Number of properties | 5 | 7 |
| Additive primes | 1082nd | 1088th |
| Chen primes | 1152nd | |
| Good primes | 258th | |
| Happy primes | 387th | |
| Harmonic primes | 855th | |
| Isolated primes | 1628th | |
| Primes | 2329th | 2340th |
| Pythagorean primes | 1158th | |
| Sophie germain primes | 336th | |
| Twin primes (1st member) | 354th | |
| Roman numberals | ||
| Base 2 | 1010000110010012 | 1010001001000112 |
| Base 3 | 10011002223 | 10011110223 |
| Base 4 | 110030214 | 110102034 |
| Base 5 | 11302115 | 11310415 |
| Base 6 | 2354256 | 2400556 |
| Base 7 | 1142037 | 1143627 |
| Base 8 | 503118 | 504438 |
| Base 9 | 313289 | 314389 |
| Base 10 | 2068110 | 2077110 |
| Base 11 | 145a111 | 1467311 |
| Base 12 | bb7512 | 1002b12 |
| Base 13 | 954b13 | 95ba13 |
| Base 14 | 777314 | 77d914 |
| Base 15 | 61db15 | 624b15 |
| Base 16 | 50c916 | 512316 |