Compare 18427 vs 19309
| Property | 18427 | 19309 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 184271 | 193091 |
| Prime factorization | 18427 | 19309 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18427 | 1, 19309 |
| Number of properties | 8 | 6 |
| Chen primes | 1044th | |
| Emirps | 571st | |
| Harmonic primes | 762nd | |
| Isolated primes | 1465th | 1528th |
| Long primes | 835th | |
| Lucky primes | 357th | |
| Primes | 2110th | 2189th |
| Pythagorean primes | 1086th | |
| Sexy primes (1st member) | 649th | |
| Sexy prime triplets (1st member) | 182nd | |
| Ulam primes | 155th | 158th |
| Roman numberals | ||
| Base 2 | 1000111111110112 | 1001011011011012 |
| Base 3 | 2210211113 | 2221110113 |
| Base 4 | 101333234 | 102312314 |
| Base 5 | 10422025 | 11042145 |
| Base 6 | 2211516 | 2252216 |
| Base 7 | 1045037 | 1102037 |
| Base 8 | 437738 | 455558 |
| Base 9 | 272449 | 284349 |
| Base 10 | 1842710 | 1930910 |
| Base 11 | 1293211 | 1356411 |
| Base 12 | a7b712 | b21112 |
| Base 13 | 850613 | 8a3413 |
| Base 14 | 6a0314 | 707314 |
| Base 15 | 56d715 | 5ac415 |
| Base 16 | 47fb16 | 4b6d16 |