19 (alƙalami)
(an turo daga 19 (adadan))
19 (goma sha tara ko sha tara) alƙalami ne, tsakanin 18 da 20.
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| Cardinal | goma sha tara | |||
Factorization (en)  | prime | |||
| Greek numeral | ΙΘ´ | |||
| Roman numeral | XIX | |||
| Binary | 100112 | |||
| Ternary | 2013 | |||
| Octal (en) | 238 | |||
| Duodecimal (en) | 1712 | |||
| Hexadecimal (en) | 1316 | |||