Compare 6489 vs 6491
| Property | 6489 | 6491 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 71 × 1031 | 64911 |
| Prime factorization | 3 × 3 × 7 × 103 | 6491 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489 | 1, 6491 |
| Number of properties | 0 | 4 |
| Chen primes | 460th | |
| Isolated primes | 543rd | |
| Primes | 842nd | |
| Sophie germain primes | 143rd | |
| Roman numberals | ||
| Base 2 | 11001010110012 | 11001010110112 |
| Base 3 | 222201003 | 222201023 |
| Base 4 | 12111214 | 12111234 |
| Base 5 | 2014245 | 2014315 |
| Base 6 | 500136 | 500156 |
| Base 7 | 246307 | 246327 |
| Base 8 | 145318 | 145338 |
| Base 9 | 88109 | 88129 |
| Base 10 | 648910 | 649110 |
| Base 11 | 496a11 | 497111 |
| Base 12 | 390912 | 390b12 |
| Base 13 | 2c5213 | 2c5413 |
| Base 14 | 251714 | 251914 |
| Base 15 | 1dc915 | 1dcb15 |
| Base 16 | 195916 | 195b16 |