19 (alƙalami)
 19 | |
|---|---|
positive integer (en)  , prime number (en) , odd number (en) , centered triangular number (en) , centered hexagonal number (en) , octagonal number (en) da strictly non-palindromic number (en) | |
 | |
| Bayanai | |
| Mabiyi | 18 |
| Ta biyo baya | ashirin |
| Prime factor (en) | 19 |
19 (goma sha tara ko sha tara) alƙalami ne, tsakanin 18 da 20.