Compare 208121 vs 208129
| Property | 208121 | 208129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2081211 | 2081291 |
| Prime factorization | 208121 | 208129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208121 | 1, 208129 |
| Number of properties | 6 | 5 |
| Chen primes | 7788th | |
| Harmonic primes | 6980th | 6981st |
| Isolated primes | 14182nd | 14183rd |
| Primes | 18645th | 18646th |
| Pythagorean primes | 9310th | 9311th |
| Sophie germain primes | 2123rd | |
| Ulam primes | 1343rd | |
| Roman numberals | ||
| Base 2 | 1100101100111110012 | 1100101101000000012 |
| Base 3 | 1011201110123 | 1011201111113 |
| Base 4 | 3023033214 | 3023100014 |
| Base 5 | 231244415 | 231300045 |
| Base 6 | 42433056 | 42433216 |
| Base 7 | 15245247 | 15245357 |
| Base 8 | 6263718 | 6264018 |
| Base 9 | 3464359 | 3464449 |
| Base 10 | 20812110 | 20812910 |
| Base 11 | 13240111 | 13240911 |
| Base 12 | a053512 | a054112 |
| Base 13 | 7396413 | 7396c13 |
| Base 14 | 55bbb14 | 55bc514 |
| Base 15 | 419eb15 | 41a0415 |
| Base 16 | 32cf916 | 32d0116 |