28 (ashirin da takwas) alƙalami ne, tsakanin 27 da 29.

← 272829 →
Cardinalashirin-takwas
Factorization (en) Fassara22 × 7
Greek numeralΚΗ´
Roman numeralXXVIII
Binary111002
Ternary10013
Octal (en) Fassara348
Duodecimal system (en) Fassara2412
Hexadecimal (en) Fassara1C16