Compare 648623 vs 648629
| Property | 648623 | 648629 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 231 × 282011 | 6486291 |
| Prime factorization | 23 × 28201 | 648629 |
| Divisors count | 4 | 2 |
| Divisors | 1, 23, 28201, 648623 | 1, 648629 |
| Number of properties | 1 | 4 |
| Chen primes | 20618th | |
| Primes | 52721st | |
| Semiprimes | 138891st | |
| Super primes | 5382nd | |
| Twin primes (1st member) | 5698th | |
| Roman numberals | ||
| Base 2 | 100111100101101011112 | 100111100101101101012 |
| Base 3 | 10122212020023 | 10122212020223 |
| Base 4 | 21321122334 | 21321123114 |
| Base 5 | 1312234435 | 1312240045 |
| Base 6 | 215225156 | 215225256 |
| Base 7 | 53410137 | 53410227 |
| Base 8 | 23626578 | 23626658 |
| Base 9 | 11876629 | 11876689 |
| Base 10 | 64862310 | 64862910 |
| Base 11 | 40335811 | 40336311 |
| Base 12 | 27343b12 | 27344512 |
| Base 13 | 19930113 | 19930713 |
| Base 14 | 12c54314 | 12c54914 |
| Base 15 | cc2b815 | cc2be15 |
| Base 16 | 9e5af16 | 9e5b516 |