Compare 20669 vs 20681
| Property | 20669 | 20681 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 18791 | 206811 |
| Prime factorization | 11 × 1879 | 20681 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 1879, 20669 | 1, 20681 |
| Number of properties | 1 | 5 |
| Additive primes | 1082nd | |
| Good primes | 258th | |
| Isolated primes | 1628th | |
| Primes | 2329th | |
| Pythagorean primes | 1158th | |
| Semiprimes | 5249th | |
| Roman numberals | ||
| Base 2 | 1010000101111012 | 1010000110010012 |
| Base 3 | 10011001123 | 10011002223 |
| Base 4 | 110023314 | 110030214 |
| Base 5 | 11301345 | 11302115 |
| Base 6 | 2354056 | 2354256 |
| Base 7 | 1141557 | 1142037 |
| Base 8 | 502758 | 503118 |
| Base 9 | 313159 | 313289 |
| Base 10 | 2066910 | 2068110 |
| Base 11 | 1459011 | 145a111 |
| Base 12 | bb6512 | bb7512 |
| Base 13 | 953c13 | 954b13 |
| Base 14 | 776514 | 777314 |
| Base 15 | 61ce15 | 61db15 |
| Base 16 | 50bd16 | 50c916 |