Compare 20399 vs 20681
| Property | 20399 | 20681 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 203991 | 206811 |
| Prime factorization | 20399 | 20681 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20399 | 1, 20681 |
| Number of properties | 6 | 5 |
| Additive primes | 1071st | 1082nd |
| Chen primes | 1133rd | |
| Good primes | 258th | |
| Isolated primes | 1614th | 1628th |
| Primes | 2305th | 2329th |
| Pythagorean primes | 1158th | |
| Sexy primes (2nd member) | 705th | |
| Ulam primes | 169th | |
| Roman numberals | ||
| Base 2 | 1001111101011112 | 1010000110010012 |
| Base 3 | 10002221123 | 10011002223 |
| Base 4 | 103322334 | 110030214 |
| Base 5 | 11230445 | 11302115 |
| Base 6 | 2342356 | 2354256 |
| Base 7 | 1133217 | 1142037 |
| Base 8 | 476578 | 503118 |
| Base 9 | 308759 | 313289 |
| Base 10 | 2039910 | 2068110 |
| Base 11 | 1436511 | 145a111 |
| Base 12 | b97b12 | bb7512 |
| Base 13 | 939213 | 954b13 |
| Base 14 | 761114 | 777314 |
| Base 15 | 609e15 | 61db15 |
| Base 16 | 4faf16 | 50c916 |