Compare 997991 vs 998537
| Property | 997991 | 998537 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9979911 | 9985371 |
| Prime factorization | 997991 | 998537 |
| Divisors count | 2 | 2 |
| Divisors | 1, 997991 | 1, 998537 |
| Number of properties | 5 | 4 |
| Additive primes | 30080th | |
| Chen primes | 29903rd | 29912th |
| Emirps | 11142nd | |
| Isolated primes | 62040th | |
| Primes | 78359th | 78397th |
| Twin primes (1st member) | 8163rd | |
| Ulam primes | 5745th | |
| Roman numberals | ||
| Base 2 | 111100111010011001112 | 111100111100100010012 |
| Base 3 | 12122002221223 | 12122012012123 |
| Base 4 | 33032212134 | 33033020214 |
| Base 5 | 2234134315 | 2234231225 |
| Base 6 | 332201556 | 332225056 |
| Base 7 | 113244117 | 113261217 |
| Base 8 | 36351478 | 36362118 |
| Base 9 | 17808789 | 17816559 |
| Base 10 | 99799110 | 99853710 |
| Base 11 | 62189511 | 62224111 |
| Base 12 | 40165b12 | 401a3512 |
| Base 13 | 28c33713 | 28c66713 |
| Base 14 | 1bd9b114 | 1bdc8114 |
| Base 15 | 14aa7b15 | 14ace215 |
| Base 16 | f3a6716 | f3c8916 |