Compare 205391 vs 206909
| Property | 205391 | 206909 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2053911 | 2069091 |
| Prime factorization | 205391 | 206909 |
| Divisors count | 2 | 2 |
| Divisors | 1, 205391 | 1, 206909 |
| Number of properties | 7 | 6 |
| Chen primes | 7696th | 7751st |
| Good primes | 1036th | 1045th |
| Harmonic primes | 6902nd | |
| Isolated primes | 14001st | |
| Primes | 18412th | 18539th |
| Pythagorean primes | 9250th | |
| Sexy primes (1st member) | 4380th | |
| Sophie germain primes | 2100th | |
| Super primes | 2123rd | |
| Twin primes (1st member) | 2219th | |
| Roman numberals | ||
| Base 2 | 1100100010010011112 | 1100101000001111012 |
| Base 3 | 1011022020023 | 1011112110223 |
| Base 4 | 3020210334 | 3022003314 |
| Base 5 | 230330315 | 231101145 |
| Base 6 | 42225156 | 42335256 |
| Base 7 | 15135447 | 15211437 |
| Base 8 | 6211178 | 6240758 |
| Base 9 | 3426629 | 3447389 |
| Base 10 | 20539110 | 20690910 |
| Base 11 | 13034a11 | 1314aa11 |
| Base 12 | 9aa3b12 | 9b8a512 |
| Base 13 | 7264413 | 7324113 |
| Base 14 | 54bcb14 | 5559314 |
| Base 15 | 40ccb15 | 4148e15 |
| Base 16 | 3224f16 | 3283d16 |