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

Number 12991

Properties of the number 12991

Prime Factorization 11 x 1181
Divisors 1, 11, 1181, 12991
Count of divisors 4
Sum of divisors 14184
Previous integer 12990
Next integer 12992
Is prime? NO
Previous prime 12983
Next prime 13001
12991st prime number
calculating, please wait
Is a Fibonacci number? NO
Zeckendorf representation 10946 + 1597 + 377 + 55 + 13 + 3
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
Square 129912 168766081
Square root √12991 113.97806806575
Cube 129913 2192440158271
Cubic root ∛12991 23.507919467564
Natural logarithm 9.4720120889957
Decimal logarithm 4.1136425827717

Trigonometry of the number 12991

12991 modulo 360° 31°
Sine of 12991 radians -0.49199291476342
Cosine of 12991 radians -0.87059920274636
Tangent of 12991 radians 0.56511987744923
Sine of 12991 degrees 0.51503807491004
Cosine of 12991 degrees 0.85716730070212
Tangent of 12991 degrees 0.60086061902754
12991 degrees in radiants 226.73572312658
12991 radiants in degrees 744329.47165445

Base conversion of the number 12991

Binary 11001010111111
Octal 31277
Duodecimal 7627
Hexadecimal 32bf
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