Compare 6491 vs 7121
| Property | 6491 | 7121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 64911 | 71211 |
| Prime factorization | 6491 | 7121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6491 | 1, 7121 |
| Number of properties | 4 | 9 |
| Additive primes | 454th | |
| Chen primes | 460th | 496th |
| Emirps | 151st | |
| Harmonic primes | 332nd | |
| Isolated primes | 543rd | 589th |
| Primes | 842nd | 912th |
| Pythagorean primes | 448th | |
| Sexy primes (1st member) | 320th | |
| Sophie germain primes | 143rd | 154th |
| Roman numberals | ||
| Base 2 | 11001010110112 | 11011110100012 |
| Base 3 | 222201023 | 1002022023 |
| Base 4 | 12111234 | 12331014 |
| Base 5 | 2014315 | 2114415 |
| Base 6 | 500156 | 525456 |
| Base 7 | 246327 | 265227 |
| Base 8 | 145338 | 157218 |
| Base 9 | 88129 | 106829 |
| Base 10 | 649110 | 712110 |
| Base 11 | 497111 | 539411 |
| Base 12 | 390b12 | 415512 |
| Base 13 | 2c5413 | 331a13 |
| Base 14 | 251914 | 284914 |
| Base 15 | 1dcb15 | 219b15 |
| Base 16 | 195b16 | 1bd116 |