Compare 997991 vs 999961
| Property | 997991 | 999961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9979911 | 9999611 |
| Prime factorization | 997991 | 999961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 997991 | 1, 999961 |
| Number of properties | 5 | 4 |
| Additive primes | 30122nd | |
| Chen primes | 29903rd | |
| Emirps | 11142nd | |
| Isolated primes | 62040th | |
| Primes | 78359th | 78496th |
| Twin primes (2nd member) | 8169th | |
| Ulam primes | 5745th | 5755th |
| Roman numberals | ||
| Base 2 | 111100111010011001112 | 111101000010000110012 |
| Base 3 | 12122002221223 | 12122102001213 |
| Base 4 | 33032212134 | 33100201214 |
| Base 5 | 2234134315 | 2234443215 |
| Base 6 | 332201556 | 332332416 |
| Base 7 | 113244117 | 113332247 |
| Base 8 | 36351478 | 36410318 |
| Base 9 | 17808789 | 17836179 |
| Base 10 | 99799110 | 99996110 |
| Base 11 | 62189511 | 62331611 |
| Base 12 | 40165b12 | 40282112 |
| Base 13 | 28c33713 | 2901c113 |
| Base 14 | 1bd9b114 | 1c05bb14 |
| Base 15 | 14aa7b15 | 14b44115 |
| Base 16 | f3a6716 | f421916 |