Compare 6991 vs 7001
| Property | 6991 | 7001 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 69911 | 70011 |
| Prime factorization | 6991 | 7001 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6991 | 1, 7001 |
| Number of properties | 3 | 6 |
| Chen primes | 490th | |
| Cousin primes (2nd member) | 154th | |
| Harmonic primes | 330th | |
| Isolated primes | 576th | 578th |
| Primes | 899th | 901st |
| Pythagorean primes | 443rd | |
| Sexy primes (1st member) | 317th | |
| Roman numberals | ||
| Base 2 | 11011010011112 | 11011010110012 |
| Base 3 | 1001202213 | 1001210223 |
| Base 4 | 12310334 | 12311214 |
| Base 5 | 2104315 | 2110015 |
| Base 6 | 522116 | 522256 |
| Base 7 | 262457 | 262617 |
| Base 8 | 155178 | 155318 |
| Base 9 | 105279 | 105389 |
| Base 10 | 699110 | 700110 |
| Base 11 | 528611 | 529511 |
| Base 12 | 406712 | 407512 |
| Base 13 | 324a13 | 325713 |
| Base 14 | 279514 | 27a114 |
| Base 15 | 211115 | 211b15 |
| Base 16 | 1b4f16 | 1b5916 |