Compare 198409 vs 198415
| Property | 198409 | 198415 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 1984091 | 51 × 71 × 56691 |
| Prime factorization | 198409 | 5 × 7 × 5669 |
| Divisors count | 2 | 8 |
| Divisors | 1, 198409 | 1, 5, 7, 35, 5669, 28345, 39683, 198415 |
| Number of properties | 8 | 0 |
| Additive primes | 7175th | |
| Chen primes | 7471st | |
| Cousin primes (1st member) | 2120th | |
| Harmonic primes | 6708th | |
| Isolated primes | 13566th | |
| Primes | 17855th | |
| Pythagorean primes | 8905th | |
| Ulam primes | 1276th | |
| Roman numberals | ||
| Base 2 | 1100000111000010012 | 1100000111000011112 |
| Base 3 | 1010020111113 | 1010020112013 |
| Base 4 | 3001300214 | 3001300334 |
| Base 5 | 223221145 | 223221305 |
| Base 6 | 41303216 | 41303316 |
| Base 7 | 14543117 | 14543207 |
| Base 8 | 6034118 | 6034178 |
| Base 9 | 3321449 | 3321519 |
| Base 10 | 19840910 | 19841510 |
| Base 11 | 12608211 | 12608811 |
| Base 12 | 969a112 | 969a712 |
| Base 13 | 6c40313 | 6c40913 |
| Base 14 | 5244114 | 5244714 |
| Base 15 | 3dbc415 | 3dbca15 |
| Base 16 | 3070916 | 3070f16 |