Compare 18189 vs 18199
| Property | 18189 | 18199 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 431 × 471 | 181991 |
| Prime factorization | 3 × 3 × 43 × 47 | 18199 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 43, 47, 129, 141, 387, 423, 2021, 6063, 18189 | 1, 18199 |
| Number of properties | 0 | 5 |
| Chen primes | 1034th | |
| Emirps | 563rd | |
| Harmonic primes | 755th | |
| Isolated primes | 1446th | |
| Primes | 2085th | |
| Roman numberals | ||
| Base 2 | 1000111000011012 | 1000111000101112 |
| Base 3 | 2202212003 | 2202220013 |
| Base 4 | 101300314 | 101301134 |
| Base 5 | 10402245 | 10402445 |
| Base 6 | 2201136 | 2201316 |
| Base 7 | 1040137 | 1040267 |
| Base 8 | 434158 | 434278 |
| Base 9 | 268509 | 268619 |
| Base 10 | 1818910 | 1819910 |
| Base 11 | 1273611 | 1274511 |
| Base 12 | a63912 | a64712 |
| Base 13 | 838213 | 838c13 |
| Base 14 | 68b314 | 68bd14 |
| Base 15 | 55c915 | 55d415 |
| Base 16 | 470d16 | 471716 |