Compare 208991 vs 211213
| Property | 208991 | 211213 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2089911 | 2112131 |
| Prime factorization | 208991 | 211213 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208991 | 1, 211213 |
| Number of properties | 7 | 6 |
| Additive primes | 7551st | |
| Chen primes | 7818th | |
| Cousin primes (1st member) | 2243rd | |
| Isolated primes | 14384th | |
| Primes | 18717th | 18909th |
| Prime triplets (1st member) | 871st | 880th |
| Pythagorean primes | 9440th | |
| Sexy primes (1st member) | 4448th | 4487th |
| Sophie germain primes | 2127th | |
| Twin primes (1st member) | 2244th | |
| Roman numberals | ||
| Base 2 | 1100110000010111112 | 1100111001000011012 |
| Base 3 | 1011212001023 | 1012012012013 |
| Base 4 | 3030011334 | 3032100314 |
| Base 5 | 231414315 | 232243235 |
| Base 6 | 42513156 | 43055016 |
| Base 7 | 15302067 | 15365327 |
| Base 8 | 6301378 | 6344158 |
| Base 9 | 3476129 | 3516519 |
| Base 10 | 20899110 | 21121310 |
| Base 11 | 13302211 | 13476211 |
| Base 12 | a0b3b12 | a229112 |
| Base 13 | 7418313 | 751a213 |
| Base 14 | 5623d14 | 56d8914 |
| Base 15 | 41dcb15 | 428ad15 |
| Base 16 | 3305f16 | 3390d16 |