1 million digits of PI 1 billion digits of PI Mandelbrot set Explorer

Number 13

Properties of the number 13

Prime Factorization	13
Divisors	1, 13
Count of divisors	2
Sum of divisors	14
Previous integer	12
Next integer	14
Is prime?	YES
Prime number position	6
Previous prime	11
Next prime	17
13^th prime number	↻ calculating, please wait
Is a Fibonacci number?	YES
Previous Fibonacci number	144
Next Fibonacci number	377
13^th Fibonacci number	233
Zeckendorf representation	13
Is a Pell number?	NO
Is a regular number?	NO
Is a perfect number?	NO
Is a perfect square number?	NO
Is a perfect cube number?	NO
Is power of 2?	NO
Is power of 3?	NO
Factorial 13!	6227020800
Square 13²	169
Square root √13	3.605551275464
Cube 13³	2197
Cubic root ∛13	2.3513346877208
Natural logarithm	2.5649493574615
Decimal logarithm	1.1139433523068

Trigonometry of the number 13

13 modulo 360°	13°
Sine of 13 radians	0.42016703682664
Cosine of 13 radians	0.9074467814502
Tangent of 13 radians	0.46302113293649
Sine of 13 degrees	0.22495105434386
Cosine of 13 degrees	0.97437006478524
Tangent of 13 degrees	0.23086819112556
13 degrees in radiants	0.22689280275926
13 radiants in degrees	744.84513367007

Base conversion of the number 13

Binary	1101
Octal	15
Duodecimal	11
Hexadecimal	d

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