28 (number)
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For the card game, see Twenty-eight (card game).
28 (twenty-eight) is the natural number following 27 and preceding 29.
Quick Facts ← 27 28 29 →, Cardinal ...
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Cardinal | twenty-eight | |||
Ordinal | 28th (twenty-eighth) | |||
Factorization | 22 × 7 | |||
Divisors | 1, 2, 4, 7, 14, 28 | |||
Greek numeral | ΚΗ´ | |||
Roman numeral | XXVIII | |||
Binary | 111002 | |||
Ternary | 10013 | |||
Senary | 446 | |||
Octal | 348 | |||
Duodecimal | 2412 | |||
Hexadecimal | 1C16 |
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