Compare 6987 vs 6991
Property | 6987 | 6991 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 3 | 1 |
Prime factorization | 31 × 171 × 1371 | 69911 |
Prime factorization | 3 × 17 × 137 | 6991 |
Divisors count | 8 | 2 |
Divisors | 1, 3, 17, 51, 137, 411, 2329, 6987 | 1, 6991 |
Number of properties | 0 | 3 |
Isolated primes | 576th | |
Primes | 899th | |
Sexy primes (1st member) | 317th | |
Roman numberals | ||
Base 2 | 11011010010112 | 11011010011112 |
Base 3 | 1001202103 | 1001202213 |
Base 4 | 12310234 | 12310334 |
Base 5 | 2104225 | 2104315 |
Base 6 | 522036 | 522116 |
Base 7 | 262417 | 262457 |
Base 8 | 155138 | 155178 |
Base 9 | 105239 | 105279 |
Base 10 | 698710 | 699110 |
Base 11 | 528211 | 528611 |
Base 12 | 406312 | 406712 |
Base 13 | 324613 | 324a13 |
Base 14 | 279114 | 279514 |
Base 15 | 210c15 | 211115 |
Base 16 | 1b4b16 | 1b4f16 |