Compare 997991 vs 998001
| Property | 997991 | 998001 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 8 |
| Prime factorization | 9979911 | 36 × 372 |
| Prime factorization | 997991 | 3 × 3 × 3 × 3 × 3 × 3 × 37 × 37 |
| Divisors count | 2 | 21 |
| Divisors | 1, 997991 | 1, 3, 9, 27, 37, 81, 111, 243, 333, 729, 999, 1369, 2997, 4107, 8991, 12321, 26973, 36963, 110889, 332667, 998001 |
| Number of properties | 5 | 0 |
| Chen primes | 29903rd | |
| Emirps | 11142nd | |
| Isolated primes | 62040th | |
| Primes | 78359th | |
| Ulam primes | 5745th | |
| Roman numberals | ||
| Base 2 | 111100111010011001112 | 111100111010011100012 |
| Base 3 | 12122002221223 | 12122010000003 |
| Base 4 | 33032212134 | 33032213014 |
| Base 5 | 2234134315 | 2234140015 |
| Base 6 | 332201556 | 332202136 |
| Base 7 | 113244117 | 113244247 |
| Base 8 | 36351478 | 36351618 |
| Base 9 | 17808789 | 17810009 |
| Base 10 | 99799110 | 99800110 |
| Base 11 | 62189511 | 6218a411 |
| Base 12 | 40165b12 | 40166912 |
| Base 13 | 28c33713 | 28c34413 |
| Base 14 | 1bd9b114 | 1bd9bb14 |
| Base 15 | 14aa7b15 | 14aa8615 |
| Base 16 | f3a6716 | f3a7116 |