Compare 198081 vs 198091
| Property | 198081 | 198091 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 131 × 16931 | 1980911 |
| Prime factorization | 3 × 3 × 13 × 1693 | 198091 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 13, 39, 117, 1693, 5079, 15237, 22009, 66027, 198081 | 1, 198091 |
| Number of properties | 0 | 6 |
| Emirps | 4225th | |
| Isolated primes | 13546th | |
| Long primes | 6667th | |
| Primes | 17829th | |
| Sexy primes (1st member) | 4268th | |
| Ulam primes | 1275th | |
| Roman numberals | ||
| Base 2 | 1100000101110000012 | 1100000101110010112 |
| Base 3 | 1010012011003 | 1010012012013 |
| Base 4 | 3001130014 | 3001130234 |
| Base 5 | 223143115 | 223143315 |
| Base 6 | 41250136 | 41250316 |
| Base 7 | 14533327 | 14533457 |
| Base 8 | 6027018 | 6027138 |
| Base 9 | 3316409 | 3316519 |
| Base 10 | 19808110 | 19809110 |
| Base 11 | 12590411 | 12591311 |
| Base 12 | 9676912 | 9677712 |
| Base 13 | 6c21013 | 6c21a13 |
| Base 14 | 5228914 | 5229514 |
| Base 15 | 3da5615 | 3da6115 |
| Base 16 | 305c116 | 305cb16 |