Compare 18397 vs 19009
| Property | 18397 | 19009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 183971 | 190091 |
| Prime factorization | 18397 | 19009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18397 | 1, 19009 |
| Number of properties | 7 | 7 |
| Additive primes | 1009th | |
| Centered heptagonal primes | 20th | |
| Chen primes | 1043rd | 1071st |
| Cousin primes (1st member) | 329th | 336th |
| Isolated primes | 1462nd | 1507th |
| Lucky primes | 344th | 352nd |
| Primes | 2107th | 2160th |
| Pythagorean primes | 1042nd | 1070th |
| Roman numberals | ||
| Base 2 | 1000111110111012 | 1001010010000012 |
| Base 3 | 2210201013 | 2220020013 |
| Base 4 | 101331314 | 102210014 |
| Base 5 | 10420425 | 11020145 |
| Base 6 | 2211016 | 2240016 |
| Base 7 | 1044317 | 1062647 |
| Base 8 | 437358 | 451018 |
| Base 9 | 272119 | 280619 |
| Base 10 | 1839710 | 1900910 |
| Base 11 | 1290511 | 1331111 |
| Base 12 | a79112 | b00112 |
| Base 13 | 84b213 | 886313 |
| Base 14 | 69c114 | 6cdb14 |
| Base 15 | 56b715 | 597415 |
| Base 16 | 47dd16 | 4a4116 |