Compare 6997 vs 7121
| Property | 6997 | 7121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 69971 | 71211 |
| Prime factorization | 6997 | 7121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6997 | 1, 7121 |
| Number of properties | 9 | 9 |
| Additive primes | 446th | 454th |
| Chen primes | 489th | 496th |
| Cousin primes (1st member) | 154th | |
| Emirps | 151st | |
| Harmonic primes | 329th | 332nd |
| Isolated primes | 577th | 589th |
| Left-truncatable primes | 126th | |
| Primes | 900th | 912th |
| Pythagorean primes | 442nd | 448th |
| Sexy primes (1st member) | 320th | |
| Sexy primes (2nd member) | 317th | |
| Sophie germain primes | 154th | |
| Roman numberals | ||
| Base 2 | 11011010101012 | 11011110100012 |
| Base 3 | 1001210113 | 1002022023 |
| Base 4 | 12311114 | 12331014 |
| Base 5 | 2104425 | 2114415 |
| Base 6 | 522216 | 525456 |
| Base 7 | 262547 | 265227 |
| Base 8 | 155258 | 157218 |
| Base 9 | 105349 | 106829 |
| Base 10 | 699710 | 712110 |
| Base 11 | 529111 | 539411 |
| Base 12 | 407112 | 415512 |
| Base 13 | 325313 | 331a13 |
| Base 14 | 279b14 | 284914 |
| Base 15 | 211715 | 219b15 |
| Base 16 | 1b5516 | 1bd116 |