Welcome to the dictionary of numbers

This page will tell you almost everything that it is necessary to know about number: 4
Let's begin with a basic information:

Number 4

Structure

Number 4 has 1 figures which are brought to 4. In English it sounds so: four. Besides, the numbers representing number 4 are: four.
Number 4 - decimal number which means that on the basis 10. 4 can be also presented in different bases, such as the Binary system of calculation also looks: 100, the Octal system of an calculation also, also looks as and 16, in Hexadecimal system of calculation and looks as follows: . 4 The number in the triple system of reference looks like: in fourfold: 10 in pyatirichoy: in shestirichnoy: 4 in the septenary: . Also the number of number systems in from 4 to 34.

Characteristic

Number 4 is Positive and Even. His inverse number 0,25 and negative number -4. Number 4 can be divided on 1, 2, 4 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(4°) gives -0,757, using function of the Cosine of the cos function (4°) gives -0,654 and through the Tangent the tan function(4°) is made by 1,158. Arctangent number is 4 1,326, area of ​​a circle of radius equal to 4 50,265 exponent in powers of 4 is 54,598.
Previous number: 3
Binary (base two): 100
Number (base 4): 10
Number (base 6): 4
Number (base 8): 4
Number (base 10): 4
Number (base 12): 4
Number (base 14): 4
Number (base 16): 4
Number (base 18): 4
Number (base 20): 4
Number (base 22): 4
Number (base 24): 4
Number (base 26): 4
Number (base 28): 4
Number (base 30): 4
Number (base 32): 4
Number (base 34): 4
Inverse: 0,25
Counter: -4
Divisible by: 1, 2, 4
Factorial number: 24
Number of digits: 1
Sum of digits: 4
Product of digits: 4
4 radian is equal (degree): 229,183
Next number: 5
Number (base 3): 11
Number (base 5): 4
Number (base 7): 4
Number (base 9): 4
Number (base 11): 4
Number (base 13): 4
Number (base 15): 4
Number (base 17): 4
Number (base 19): 4
Number (base 21): 4
Number (base 23): 4
Number (base 25): 4
Number (base 27): 4
Number (base 29): 4
Number (base 31): 4
Number (base 33): 4
Even / Odd: Even
Unix Timestamp: Thu Jan 01 00:00:04 1970
Perfect square: YES ( 2 )
Prime: NO
Positive / Negative: Positive
English: four
English digits: four
Sin: -0,757
Cos: -0,654
Tan: 1,158
Atan: 1,326
Area of a circle r= 4: 50,265
exhibitor (degree 4): 54,598