Compare 208121 vs 208991
| Property | 208121 | 208991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2081211 | 2089911 |
| Prime factorization | 208121 | 208991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208121 | 1, 208991 |
| Number of properties | 6 | 7 |
| Additive primes | 7551st | |
| Chen primes | 7788th | 7818th |
| Harmonic primes | 6980th | |
| Isolated primes | 14182nd | |
| Primes | 18645th | 18717th |
| Prime triplets (1st member) | 871st | |
| Pythagorean primes | 9310th | |
| Sexy primes (1st member) | 4448th | |
| Sophie germain primes | 2123rd | 2127th |
| Twin primes (1st member) | 2244th | |
| Roman numberals | ||
| Base 2 | 1100101100111110012 | 1100110000010111112 |
| Base 3 | 1011201110123 | 1011212001023 |
| Base 4 | 3023033214 | 3030011334 |
| Base 5 | 231244415 | 231414315 |
| Base 6 | 42433056 | 42513156 |
| Base 7 | 15245247 | 15302067 |
| Base 8 | 6263718 | 6301378 |
| Base 9 | 3464359 | 3476129 |
| Base 10 | 20812110 | 20899110 |
| Base 11 | 13240111 | 13302211 |
| Base 12 | a053512 | a0b3b12 |
| Base 13 | 7396413 | 7418313 |
| Base 14 | 55bbb14 | 5623d14 |
| Base 15 | 419eb15 | 41dcb15 |
| Base 16 | 32cf916 | 3305f16 |