Compare 6449 vs 6689
| Property | 6449 | 6689 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 64491 | 66891 |
| Prime factorization | 6449 | 6689 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6449 | 1, 6689 |
| Number of properties | 6 | 6 |
| Additive primes | 421st | 429th |
| Chen primes | 458th | 470th |
| Good primes | 135th | |
| Primes | 837th | 862nd |
| Pythagorean primes | 411th | 425th |
| Sophie germain primes | 142nd | |
| Twin primes (1st member) | 150th | 154th |
| Roman numberals | ||
| Base 2 | 11001001100012 | 11010001000012 |
| Base 3 | 222112123 | 1000112023 |
| Base 4 | 12103014 | 12202014 |
| Base 5 | 2012445 | 2032245 |
| Base 6 | 455056 | 505456 |
| Base 7 | 245427 | 253347 |
| Base 8 | 144618 | 150418 |
| Base 9 | 87559 | 101529 |
| Base 10 | 644910 | 668910 |
| Base 11 | 493311 | 503111 |
| Base 12 | 389512 | 3a5512 |
| Base 13 | 2c2113 | 307713 |
| Base 14 | 24c914 | 261b14 |
| Base 15 | 1d9e15 | 1eae15 |
| Base 16 | 193116 | 1a2116 |