Compare 6491 vs 6497
| Property | 6491 | 6497 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 64911 | 731 × 891 |
| Prime factorization | 6491 | 73 × 89 |
| Divisors count | 2 | 4 |
| Divisors | 1, 6491 | 1, 73, 89, 6497 |
| Number of properties | 4 | 1 |
| Chen primes | 460th | |
| Isolated primes | 543rd | |
| Primes | 842nd | |
| Semiprimes | 1745th | |
| Sophie germain primes | 143rd | |
| Roman numberals | ||
| Base 2 | 11001010110112 | 11001011000012 |
| Base 3 | 222201023 | 222201223 |
| Base 4 | 12111234 | 12112014 |
| Base 5 | 2014315 | 2014425 |
| Base 6 | 500156 | 500256 |
| Base 7 | 246327 | 246417 |
| Base 8 | 145338 | 145418 |
| Base 9 | 88129 | 88189 |
| Base 10 | 649110 | 649710 |
| Base 11 | 497111 | 497711 |
| Base 12 | 390b12 | 391512 |
| Base 13 | 2c5413 | 2c5a13 |
| Base 14 | 251914 | 252114 |
| Base 15 | 1dcb15 | 1dd215 |
| Base 16 | 195b16 | 196116 |