Compare 6997 vs 7639
| Property | 6997 | 7639 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 69971 | 76391 |
| Prime factorization | 6997 | 7639 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6997 | 1, 7639 |
| Number of properties | 9 | 4 |
| Additive primes | 446th | |
| Chen primes | 489th | |
| Cousin primes (1st member) | 154th | 162nd |
| Harmonic primes | 329th | |
| Isolated primes | 577th | 626th |
| Left-truncatable primes | 126th | |
| Lucky primes | 179th | |
| Primes | 900th | 969th |
| Pythagorean primes | 442nd | |
| Sexy primes (2nd member) | 317th | |
| Roman numberals | ||
| Base 2 | 11011010101012 | 11101110101112 |
| Base 3 | 1001210113 | 1011102213 |
| Base 4 | 12311114 | 13131134 |
| Base 5 | 2104425 | 2210245 |
| Base 6 | 522216 | 552116 |
| Base 7 | 262547 | 311627 |
| Base 8 | 155258 | 167278 |
| Base 9 | 105349 | 114279 |
| Base 10 | 699710 | 763910 |
| Base 11 | 529111 | 581511 |
| Base 12 | 407112 | 450712 |
| Base 13 | 325313 | 362813 |
| Base 14 | 279b14 | 2ad914 |
| Base 15 | 211715 | 23e415 |
| Base 16 | 1b5516 | 1dd716 |