Compare 206879 vs 209123
| Property | 206879 | 209123 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2068791 | 2091231 |
| Prime factorization | 206879 | 209123 |
| Divisors count | 2 | 2 |
| Divisors | 1, 206879 | 1, 209123 |
| Number of properties | 6 | 5 |
| Additive primes | 7555th | |
| Chen primes | 7749th | |
| Good primes | 1044th | 1055th |
| Harmonic primes | 6946th | |
| Isolated primes | 14101st | 14239th |
| Primes | 18536th | 18726th |
| Safe primes | 1220th | |
| Sophie germain primes | 2110th | |
| Roman numberals | ||
| Base 2 | 1100101000000111112 | 1100110000111000112 |
| Base 3 | 1011112100123 | 1011212120223 |
| Base 4 | 3022001334 | 3030032034 |
| Base 5 | 231100045 | 231424435 |
| Base 6 | 42334356 | 42520556 |
| Base 7 | 15211017 | 15304557 |
| Base 8 | 6240378 | 6303438 |
| Base 9 | 3447059 | 3477689 |
| Base 10 | 20687910 | 20912310 |
| Base 11 | 13148211 | 13313211 |
| Base 12 | 9b87b12 | a102b12 |
| Base 13 | 7321a13 | 7425513 |
| Base 14 | 5557114 | 562d514 |
| Base 15 | 4146e15 | 41e6815 |
| Base 16 | 3281f16 | 330e316 |