Compare 208991 vs 209071
| Property | 208991 | 209071 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2089911 | 2090711 |
| Prime factorization | 208991 | 209071 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208991 | 1, 209071 |
| Number of properties | 7 | 5 |
| Additive primes | 7551st | 7554th |
| Chen primes | 7818th | 7823rd |
| Isolated primes | 14237th | |
| Lucky primes | 2395th | |
| Primes | 18717th | 18724th |
| Prime triplets (1st member) | 871st | |
| Sexy primes (1st member) | 4448th | |
| Sophie germain primes | 2127th | |
| Twin primes (1st member) | 2244th | |
| Roman numberals | ||
| Base 2 | 1100110000010111112 | 1100110000101011112 |
| Base 3 | 1011212001023 | 1011212101013 |
| Base 4 | 3030011334 | 3030022334 |
| Base 5 | 231414315 | 231422415 |
| Base 6 | 42513156 | 42515316 |
| Base 7 | 15302067 | 15303527 |
| Base 8 | 6301378 | 6302578 |
| Base 9 | 3476129 | 3477119 |
| Base 10 | 20899110 | 20907110 |
| Base 11 | 13302211 | 13309511 |
| Base 12 | a0b3b12 | a0ba712 |
| Base 13 | 7418313 | 7421513 |
| Base 14 | 5623d14 | 5629914 |
| Base 15 | 41dcb15 | 41e3115 |
| Base 16 | 3305f16 | 330af16 |