90 (alƙalami)
 Casaʼin | |
|---|---|
positive integer (en)  , even number (en) , pronic number (en) , composite number (en) da harshad number (en) | |
 | |
| Bayanai | |
| Name in hiero markup (en) | V20*V20*V20-!-V20*V20*V20:V20*V20*V20 |
| Prime factor (en) | biyu, uku da biyar |
90 (tisa'in ko casa'in) alƙalami ne, tsakanin 89 da 91.
Wannan Muƙalar guntuwa ce: tana buƙatar a inganta ta, kuna iya gyara ta.