Welcome to the dictionary of numbers

This page will tell you almost everything that it is necessary to know about number: 9
Let's begin with a basic information:

Number 9

Structure

Number 9 has 1 figures which are brought to 9. In English it sounds so: nine. Besides, the numbers representing number 9 are: nine.
Number 9 - decimal number which means that on the basis 10. 9 can be also presented in different bases, such as the Binary system of calculation also looks: 1001, the Octal system of an calculation also, also looks as and 16, in Hexadecimal system of calculation and looks as follows: . 9 The number in the triple system of reference looks like: in fourfold: 21 in pyatirichoy: in shestirichnoy: 13 in the septenary: . Also the number of number systems in from 4 to 34.

Characteristic

Number 9 is Positive and Odd. His inverse number 0,11111111111111 and negative number -9. Number 9 can be divided on 1, 3, 9 without the rest. Besides, it is an ideal square, and it not a prime number. Now let's use trigonometrical functions. By means of sinusoidal function: Sin(9°) gives 0,412, using function of the Cosine of the cos function (9°) gives -0,911 and through the Tangent the tan function(9°) is made by -0,452. Arctangent number is 9 1,46, area of ​​a circle of radius equal to 9 254,469 exponent in powers of 9 is 8103,084.
Previous number: 8
Binary (base two): 1001
Number (base 4): 21
Number (base 6): 13
Number (base 8): 11
Number (base 10): 9
Number (base 12): 9
Number (base 14): 9
Number (base 16): 9
Number (base 18): 9
Number (base 20): 9
Number (base 22): 9
Number (base 24): 9
Number (base 26): 9
Number (base 28): 9
Number (base 30): 9
Number (base 32): 9
Number (base 34): 9
Inverse: 0,11111111111111
Counter: -9
Divisible by: 1, 3, 9
Factorial number: 362880
Number of digits: 1
Sum of digits: 9
Product of digits: 9
9 radian is equal (degree): 515,662
Next number: 10
Number (base 3): 100
Number (base 5): 14
Number (base 7): 12
Number (base 9): 10
Number (base 11): 9
Number (base 13): 9
Number (base 15): 9
Number (base 17): 9
Number (base 19): 9
Number (base 21): 9
Number (base 23): 9
Number (base 25): 9
Number (base 27): 9
Number (base 29): 9
Number (base 31): 9
Number (base 33): 9
Even / Odd: Odd
Unix Timestamp: Thu Jan 01 00:00:09 1970
Perfect square: YES ( 3 )
Prime: NO
Positive / Negative: Positive
English: nine
English digits: nine
Sin: 0,412
Cos: -0,911
Tan: -0,452
Atan: 1,46
Area of a circle r= 9: 254,469
exhibitor (degree 9): 8103,084