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

Number 4991

Properties of the number 4991

Prime Factorization 7 x 23 x 31
Divisors 1, 7, 23, 31, 161, 217, 713, 4991
Count of divisors 8
Sum of divisors 6144
Previous integer 4990
Next integer 4992
Is prime? NO
Previous prime 4987
Next prime 4993
4991st prime number
calculating, please wait
Is a Fibonacci number? NO
Zeckendorf representation 4181 + 610 + 144 + 55 + 1
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 49912 24910081
Square root √4991 70.64700984472
Cube 49913 124326214271
Cubic root ∛4991 17.08949344901
Natural logarithm 8.5153915694696
Decimal logarithm 3.6981875698661

Trigonometry of the number 4991

4991 modulo 360° 311°
Sine of 4991 radians 0.83642441081688
Cosine of 4991 radians -0.54808229764301
Tangent of 4991 radians -1.5260927317191
Sine of 4991 degrees -0.75470958022277
Cosine of 4991 degrees 0.65605902899051
Tangent of 4991 degrees -1.150368407221
4991 degrees in radiants 87.109382967037
4991 radiants in degrees 285963.23554979

Base conversion of the number 4991

Binary 1001101111111
Octal 11577
Duodecimal 2a7b
Hexadecimal 137f
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