51 (alƙalami)
 51 | |
|---|---|
positive integer (en)  , odd number (en) , centered pentagonal number (en) , pentagonal number (en) , stella octangula number (en) , octadecagonal number (en) da composite number (en) | |
 | |
| Bayanai | |
| Prime factor (en) | uku da 17 |
51 (hamsin da ɗaya) alƙalami ne, tsakanin 50 da 52.
