Compare 18199 vs 18397
| Property | 18199 | 18397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181991 | 183971 |
| Prime factorization | 18199 | 18397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18199 | 1, 18397 |
| Number of properties | 5 | 7 |
| Centered heptagonal primes | 20th | |
| Chen primes | 1034th | 1043rd |
| Cousin primes (1st member) | 329th | |
| Emirps | 563rd | |
| Harmonic primes | 755th | |
| Isolated primes | 1446th | 1462nd |
| Lucky primes | 344th | |
| Primes | 2085th | 2107th |
| Pythagorean primes | 1042nd | |
| Roman numberals | ||
| Base 2 | 1000111000101112 | 1000111110111012 |
| Base 3 | 2202220013 | 2210201013 |
| Base 4 | 101301134 | 101331314 |
| Base 5 | 10402445 | 10420425 |
| Base 6 | 2201316 | 2211016 |
| Base 7 | 1040267 | 1044317 |
| Base 8 | 434278 | 437358 |
| Base 9 | 268619 | 272119 |
| Base 10 | 1819910 | 1839710 |
| Base 11 | 1274511 | 1290511 |
| Base 12 | a64712 | a79112 |
| Base 13 | 838c13 | 84b213 |
| Base 14 | 68bd14 | 69c114 |
| Base 15 | 55d415 | 56b715 |
| Base 16 | 471716 | 47dd16 |