Compare 6991 vs 7481
| Property | 6991 | 7481 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 69911 | 74811 |
| Prime factorization | 6991 | 7481 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6991 | 1, 7481 |
| Number of properties | 3 | 9 |
| Chen primes | 515th | |
| Cousin primes (2nd member) | 158th | |
| Emirps | 165th | |
| Happy primes | 166th | |
| Isolated primes | 576th | 612th |
| Primes | 899th | 947th |
| Pythagorean primes | 467th | |
| Sexy primes (1st member) | 317th | 328th |
| Super primes | 161st | |
| Roman numberals | ||
| Base 2 | 11011010011112 | 11101001110012 |
| Base 3 | 1001202213 | 1010210023 |
| Base 4 | 12310334 | 13103214 |
| Base 5 | 2104315 | 2144115 |
| Base 6 | 522116 | 543456 |
| Base 7 | 262457 | 305457 |
| Base 8 | 155178 | 164718 |
| Base 9 | 105279 | 112329 |
| Base 10 | 699110 | 748110 |
| Base 11 | 528611 | 569111 |
| Base 12 | 406712 | 43b512 |
| Base 13 | 324a13 | 353613 |
| Base 14 | 279514 | 2a2514 |
| Base 15 | 211115 | 233b15 |
| Base 16 | 1b4f16 | 1d3916 |