Compare 206899 vs 206909
| Property | 206899 | 206909 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 111 × 26871 | 2069091 |
| Prime factorization | 7 × 11 × 2687 | 206909 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 11, 77, 2687, 18809, 29557, 206899 | 1, 206909 |
| Number of properties | 0 | 6 |
| Chen primes | 7751st | |
| Good primes | 1045th | |
| Primes | 18539th | |
| Pythagorean primes | 9250th | |
| Super primes | 2123rd | |
| Twin primes (1st member) | 2219th | |
| Roman numberals | ||
| Base 2 | 1100101000001100112 | 1100101000001111012 |
| Base 3 | 1011112102213 | 1011112110223 |
| Base 4 | 3022003034 | 3022003314 |
| Base 5 | 231100445 | 231101145 |
| Base 6 | 42335116 | 42335256 |
| Base 7 | 15211307 | 15211437 |
| Base 8 | 6240638 | 6240758 |
| Base 9 | 3447279 | 3447389 |
| Base 10 | 20689910 | 20690910 |
| Base 11 | 1314a011 | 1314aa11 |
| Base 12 | 9b89712 | 9b8a512 |
| Base 13 | 7323413 | 7324113 |
| Base 14 | 5558714 | 5559314 |
| Base 15 | 4148415 | 4148e15 |
| Base 16 | 3283316 | 3283d16 |