Compare 208991 vs 209789
| Property | 208991 | 209789 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2089911 | 2097891 |
| Prime factorization | 208991 | 209789 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208991 | 1, 209789 |
| Number of properties | 7 | 7 |
| Additive primes | 7551st | |
| Chen primes | 7818th | 7847th |
| Isolated primes | 14286th | |
| Long primes | 7026th | |
| Primes | 18717th | 18787th |
| Prime triplets (1st member) | 871st | |
| Pythagorean primes | 9381st | |
| Sexy primes (1st member) | 4448th | |
| Sophie germain primes | 2127th | 2136th |
| Super primes | 2143rd | |
| Twin primes (1st member) | 2244th | |
| Roman numberals | ||
| Base 2 | 1100110000010111112 | 1100110011011111012 |
| Base 3 | 1011212001023 | 1011222022223 |
| Base 4 | 3030011334 | 3030313314 |
| Base 5 | 231414315 | 232031245 |
| Base 6 | 42513156 | 42551256 |
| Base 7 | 15302067 | 15324267 |
| Base 8 | 6301378 | 6315758 |
| Base 9 | 3476129 | 3486889 |
| Base 10 | 20899110 | 20978910 |
| Base 11 | 13302211 | 13368811 |
| Base 12 | a0b3b12 | a14a512 |
| Base 13 | 7418313 | 7464813 |
| Base 14 | 5623d14 | 5664d14 |
| Base 15 | 41dcb15 | 4225e15 |
| Base 16 | 3305f16 | 3337d16 |