Compare 6991 vs 7043
| Property | 6991 | 7043 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 69911 | 70431 |
| Prime factorization | 6991 | 7043 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6991 | 1, 7043 |
| Number of properties | 3 | 7 |
| Chen primes | 492nd | |
| Cousin primes (2nd member) | 155th | |
| Emirps | 149th | |
| Isolated primes | 576th | 583rd |
| Primes | 899th | 906th |
| Sexy primes (1st member) | 317th | |
| Sophie germain primes | 151st | |
| Ulam primes | 63rd | |
| Roman numberals | ||
| Base 2 | 11011010011112 | 11011100000112 |
| Base 3 | 1001202213 | 1001222123 |
| Base 4 | 12310334 | 12320034 |
| Base 5 | 2104315 | 2111335 |
| Base 6 | 522116 | 523356 |
| Base 7 | 262457 | 263517 |
| Base 8 | 155178 | 156038 |
| Base 9 | 105279 | 105859 |
| Base 10 | 699110 | 704310 |
| Base 11 | 528611 | 532311 |
| Base 12 | 406712 | 40ab12 |
| Base 13 | 324a13 | 328a13 |
| Base 14 | 279514 | 27d114 |
| Base 15 | 211115 | 214815 |
| Base 16 | 1b4f16 | 1b8316 |