### Miscellaneous & Conversions For 28

 Text Twenty-Eight Roman Numeral: 28 XXVIII RGB Colour (# 01c or #00001c)

 Decimal / Number 28 Binary 11100 Ternary 1,001 Hexadecimal (Hex) 0x1c Quaternary 130 Quinary 103 Senary (Heximal) 44 Octal 34 Duodecimal (Dozenal) 24

### Mathematics

 Prime Factors: 2 x 2 x 7 = 28 Factorial: 28! 3.04888344612E+29 Triangular Number Of 28 406 Square Root: √28 5.29150262213 Cube Root (Root 3): 3√28 3.03658897188 Tesseract Root (Root 4): 4√28 2.30032663379 Quintal / nth Root. (Root 5) 5√28 1.94729436123 ¾ Root 12.1721844145 Fibonnaci # 28 317811 Recipricol 1/ 28 0.0357142857143 Quarter 1/4 7 or 7/28 Half 1/2 14 or 14/28 Third 1/3 9.33 or 9.33/28
28 PowersValue
282784
28321,952
284614,656
28517,210,368
 2 4 7 14 28

### Trigonometry For Twenty-Eight (28)

The most hated math is usually trigonometry amongst students. Sine, Cosine, Tangent. Only actual values, are shown. If the value is zero, I will not list it here.

TrigonometryValue
Sine0.270905788308
Hyperbolic Sine723128532146
Inverse Hyperbolic Sine4.02567041587
Cosine-0.962605866314
Inverse Hyperbolic Cosine4.02503266055
Tangent-0.281429604564
Arc Tangent1.53509721412

2% Fibonacci
38% Numbers
20% Binary