Compare 206639 vs 208787
| Property | 206639 | 208787 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2066391 | 2087871 |
| Prime factorization | 206639 | 208787 |
| Divisors count | 2 | 2 |
| Divisors | 1, 206639 | 1, 208787 |
| Number of properties | 5 | 4 |
| Chen primes | 7741st | |
| Happy primes | 2845th | |
| Isolated primes | 14224th | |
| Primes | 18523rd | 18703rd |
| Safe primes | 1207th | 1218th |
| Super primes | 2122nd | |
| Twin primes (1st member) | 2217th | |
| Roman numberals | ||
| Base 2 | 1100100111001011112 | 1100101111100100112 |
| Base 3 | 1011111100223 | 1011211012123 |
| Base 4 | 3021302334 | 3023321034 |
| Base 5 | 231030245 | 231401225 |
| Base 6 | 42323556 | 42503356 |
| Base 7 | 15203067 | 15264657 |
| Base 8 | 6234578 | 6276238 |
| Base 9 | 3444089 | 3473559 |
| Base 10 | 20663910 | 20878710 |
| Base 11 | 13128411 | 13295711 |
| Base 12 | 9b6bb12 | a09ab12 |
| Base 13 | 7309413 | 7405713 |
| Base 14 | 5543d14 | 5613514 |
| Base 15 | 4135e15 | 41ce215 |
| Base 16 | 3272f16 | 32f9316 |