### Miscellaneous & Conversions For 15

 Written English Fifteen Roman Numeral 15 XV RGB Colour (# 00f or #00000f)

 Decimal / Number 15 Binary 1111 Ternary 120 Hexadecimal (Hex) 0xf Quaternary 33 Quinary 30 Senary (Heximal) 23 Octal 17 Duodecimal (Dozenal) 13

### Mathematics

 Prime Factors: 3 x 5 = 15 Factorial: 15! 1307674368000 Triangular Number Of 15 120 Square Root: √15 3.87298334621 Cube Root (Root 3): 3√15 2.46621207433 Tesseract Root (Root 4): 4√15 1.96798967127 Quintal / nth Root. (Root 5) 5√15 1.71877192759 ¾ Root 7.62199122232 Fibonnaci # 15 610 Recipricol 1/ 15 0.0666666666667 Quarter 1/4 3.75 or 3.75/15 Half 1/2 7.50 or 7.50/15 Third 1/3 5 or 5/15
15 PowersValue
152225
1533,375
15450,625
155759,375
 3 5 15

### Trigonometry For Fifteen (15)

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
Sine0.650287840157
Hyperbolic Sine1634508.68624
Inverse Hyperbolic Sine3.40230664548
Cosine-0.759687912859
Inverse Hyperbolic Cosine3.40008441411
Tangent-0.855993400909
Arc Tangent1.50422816302

2% Fibonacci
38% Numbers
20% Binary