Compare 997991 vs 998651
| Property | 997991 | 998651 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9979911 | 9986511 |
| Prime factorization | 997991 | 998651 |
| Divisors count | 2 | 2 |
| Divisors | 1, 997991 | 1, 998651 |
| Number of properties | 5 | 4 |
| Chen primes | 29903rd | 29915th |
| Emirps | 11142nd | 11156th |
| Isolated primes | 62040th | |
| Primes | 78359th | 78405th |
| Twin primes (1st member) | 8164th | |
| Ulam primes | 5745th | |
| Roman numberals | ||
| Base 2 | 111100111010011001112 | 111100111100111110112 |
| Base 3 | 12122002221223 | 12122012200023 |
| Base 4 | 33032212134 | 33033033234 |
| Base 5 | 2234134315 | 2234241015 |
| Base 6 | 332201556 | 332232156 |
| Base 7 | 113244117 | 113263437 |
| Base 8 | 36351478 | 36363738 |
| Base 9 | 17808789 | 17818029 |
| Base 10 | 99799110 | 99865110 |
| Base 11 | 62189511 | 62233511 |
| Base 12 | 40165b12 | 401b0b12 |
| Base 13 | 28c33713 | 28c72413 |
| Base 14 | 1bd9b114 | 1bdd2314 |
| Base 15 | 14aa7b15 | 14ad6b15 |
| Base 16 | f3a6716 | f3cfb16 |