Compare 6490 vs 6491
| Property | 6490 | 6491 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 51 × 111 × 591 | 64911 |
| Prime factorization | 2 × 5 × 11 × 59 | 6491 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 6490 | 1, 6491 |
| Number of properties | 0 | 4 |
| Chen primes | 460th | |
| Isolated primes | 543rd | |
| Primes | 842nd | |
| Sophie germain primes | 143rd | |
| Roman numberals | ||
| Base 2 | 11001010110102 | 11001010110112 |
| Base 3 | 222201013 | 222201023 |
| Base 4 | 12111224 | 12111234 |
| Base 5 | 2014305 | 2014315 |
| Base 6 | 500146 | 500156 |
| Base 7 | 246317 | 246327 |
| Base 8 | 145328 | 145338 |
| Base 9 | 88119 | 88129 |
| Base 10 | 649010 | 649110 |
| Base 11 | 497011 | 497111 |
| Base 12 | 390a12 | 390b12 |
| Base 13 | 2c5313 | 2c5413 |
| Base 14 | 251814 | 251914 |
| Base 15 | 1dca15 | 1dcb15 |
| Base 16 | 195a16 | 195b16 |