Compare 206639 vs 206749
| Property | 206639 | 206749 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2066391 | 2067491 |
| Prime factorization | 206639 | 206749 |
| Divisors count | 2 | 2 |
| Divisors | 1, 206639 | 1, 206749 |
| Number of properties | 5 | 6 |
| Chen primes | 7741st | 7744th |
| Isolated primes | 14094th | |
| Long primes | 6940th | |
| Lucky primes | 2375th | |
| Primes | 18523rd | 18527th |
| Pythagorean primes | 9246th | |
| Safe primes | 1207th | |
| Super primes | 2122nd | |
| Twin primes (1st member) | 2217th | |
| Roman numberals | ||
| Base 2 | 1100100111001011112 | 1100100111100111012 |
| Base 3 | 1011111100223 | 1011111211013 |
| Base 4 | 3021302334 | 3021321314 |
| Base 5 | 231030245 | 231034445 |
| Base 6 | 42323556 | 42331016 |
| Base 7 | 15203067 | 15205247 |
| Base 8 | 6234578 | 6236358 |
| Base 9 | 3444089 | 3445419 |
| Base 10 | 20663910 | 20674910 |
| Base 11 | 13128411 | 13137411 |
| Base 12 | 9b6bb12 | 9b79112 |
| Base 13 | 7309413 | 7314a13 |
| Base 14 | 5543d14 | 554bb14 |
| Base 15 | 4135e15 | 413d415 |
| Base 16 | 3272f16 | 3279d16 |