Compare 999213 vs 999221
| Property | 999213 | 999221 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 3330711 | 9992211 |
| Prime factorization | 3 × 333071 | 999221 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 333071, 999213 | 1, 999221 |
| Number of properties | 1 | 5 |
| Chen primes | 29931st | |
| Cousin primes (2nd member) | 8140th | |
| Isolated primes | 62120th | |
| Primes | 78449th | |
| Semiprimes | 209872nd | |
| Sophie germain primes | 7739th | |
| Roman numberals | ||
| Base 2 | 111100111111001011012 | 111100111111001101012 |
| Base 3 | 12122021222203 | 12122022000123 |
| Base 4 | 33033302314 | 33033303114 |
| Base 5 | 2234333235 | 2234333415 |
| Base 6 | 332255536 | 332300056 |
| Base 7 | 113311057 | 113311167 |
| Base 8 | 36374558 | 36374658 |
| Base 9 | 17825869 | 17826059 |
| Base 10 | 99921310 | 99922110 |
| Base 11 | 6227a611 | 62280311 |
| Base 12 | 4022b912 | 40230512 |
| Base 13 | 28ca6713 | 28ca7213 |
| Base 14 | 1c020514 | 1c020d14 |
| Base 15 | 14b0e315 | 14b0eb15 |
| Base 16 | f3f2d16 | f3f3516 |