Compare 198009 vs 198017
| Property | 198009 | 198017 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 32 × 72 × 4491 | 1980171 |
| Prime factorization | 3 × 3 × 7 × 7 × 449 | 198017 |
| Divisors count | 18 | 2 |
| Divisors | 1, 3, 7, 9, 21, 49, 63, 147, 441, 449, 1347, 3143, 4041, 9429, 22001, 28287, 66003, 198009 | 1, 198017 |
| Number of properties | 0 | 5 |
| Chen primes | 7462nd | |
| Cousin primes (2nd member) | 2116th | |
| Isolated primes | 13540th | |
| Primes | 17823rd | |
| Pythagorean primes | 8887th | |
| Roman numberals | ||
| Base 2 | 1100000101011110012 | 1100000101100000012 |
| Base 3 | 1010011212003 | 1010011212223 |
| Base 4 | 3001113214 | 3001120014 |
| Base 5 | 223140145 | 223140325 |
| Base 6 | 41244136 | 41244256 |
| Base 7 | 14532007 | 14532117 |
| Base 8 | 6025718 | 6026018 |
| Base 9 | 3315509 | 3315589 |
| Base 10 | 19800910 | 19801710 |
| Base 11 | 12584911 | 12585611 |
| Base 12 | 9670912 | 9671512 |
| Base 13 | 6c18613 | 6c19113 |
| Base 14 | 5223714 | 5224114 |
| Base 15 | 3da0915 | 3da1215 |
| Base 16 | 3057916 | 3058116 |