# Number 9

## Properties of the number 9

 Prime Factorization 32 Divisors 1, 3, 9 Count of divisors 3 Sum of divisors 13 Previous integer 8 Next integer 10 Is prime? NO Previous prime 7 Next prime 11 9th prime number ↻ calculating, please wait Is a Fibonacci number? NO 9th Fibonacci number 34 Zeckendorf representation 8 + 1 Is a Pell number? NO Is a regular number? YES Is a perfect number? NO Is a perfect square number? YES Is a perfect cube number? NO Is power of 2? NO Is power of 3? YES Factorial 9! 362880 Square 92 81 Square root √9 3 Cube 93 729 Cubic root ∛9 2.0800838230519 Natural logarithm 2.1972245773362 Decimal logarithm 0.95424250943932

## Trigonometry of the number 9

 9 modulo 360° 9° Sine of 9 radians 0.41211848524176 Cosine of 9 radians -0.91113026188468 Tangent of 9 radians -0.45231565944181 Sine of 9 degrees 0.15643446504023 Cosine of 9 degrees 0.98768834059514 Tangent of 9 degrees 0.15838444032454 9 degrees in radiants 0.15707963267949 9 radiants in degrees 515.66201561774

## Base conversion of the number 9

 Binary 1001 Octal 11 Duodecimal 9 Hexadecimal 9

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