Compare 208991 vs 209213
| Property | 208991 | 209213 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2089911 | 2092131 |
| Prime factorization | 208991 | 209213 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208991 | 1, 209213 |
| Number of properties | 7 | 6 |
| Additive primes | 7551st | 7558th |
| Chen primes | 7818th | 7829th |
| Isolated primes | 14245th | |
| Primes | 18717th | 18734th |
| Prime triplets (1st member) | 871st | |
| Pythagorean primes | 9355th | |
| Sexy primes (1st member) | 4448th | |
| Sophie germain primes | 2127th | 2130th |
| Twin primes (1st member) | 2244th | |
| Roman numberals | ||
| Base 2 | 1100110000010111112 | 1100110001001111012 |
| Base 3 | 1011212001023 | 1011212221223 |
| Base 4 | 3030011334 | 3030103314 |
| Base 5 | 231414315 | 231433235 |
| Base 6 | 42513156 | 42523256 |
| Base 7 | 15302067 | 15306447 |
| Base 8 | 6301378 | 6304758 |
| Base 9 | 3476129 | 3478789 |
| Base 10 | 20899110 | 20921310 |
| Base 11 | 13302211 | 13320411 |
| Base 12 | a0b3b12 | a10a512 |
| Base 13 | 7418313 | 742c413 |
| Base 14 | 5623d14 | 5635b14 |
| Base 15 | 41dcb15 | 41ec815 |
| Base 16 | 3305f16 | 3313d16 |