Welcome to the dictionary of numbers

This page will tell you almost everything that it is necessary to know about number: 2
Let's begin with a basic information:

Number 2

Structure

Number 2 has 1 figures which are brought to 2. In English it sounds so: two. Besides, the numbers representing number 2 are: two.
Number 2 - decimal number which means that on the basis 10. 2 can be also presented in different bases, such as the Binary system of calculation also looks: 10, the Octal system of an calculation also, also looks as and 16, in Hexadecimal system of calculation and looks as follows: . 2 The number in the triple system of reference looks like: in fourfold: 2 in pyatirichoy: in shestirichnoy: 2 in the septenary: . Also the number of number systems in from 4 to 34.

Characteristic

Number 2 is Positive and Even. His inverse number 0,5 and negative number -2. Number 2 can be divided on 1, 2 without the rest. Besides, it is not an ideal square, and it a prime number. Now let's use trigonometrical functions. By means of sinusoidal function: Sin(2°) gives 0,909, using function of the Cosine of the cos function (2°) gives -0,416 and through the Tangent the tan function(2°) is made by -2,185. Arctangent number is 2 1,107, area of ​​a circle of radius equal to 2 12,566 exponent in powers of 2 is 7,389.
Previous number: 1
Binary (base two): 10
Number (base 4): 2
Number (base 6): 2
Number (base 8): 2
Number (base 10): 2
Number (base 12): 2
Number (base 14): 2
Number (base 16): 2
Number (base 18): 2
Number (base 20): 2
Number (base 22): 2
Number (base 24): 2
Number (base 26): 2
Number (base 28): 2
Number (base 30): 2
Number (base 32): 2
Number (base 34): 2
Inverse: 0,5
Counter: -2
Divisible by: 1, 2
Factorial number: 2
Number of digits: 1
Sum of digits: 2
Product of digits: 2
2 radian is equal (degree): 114,592
Next number: 3
Number (base 3): 2
Number (base 5): 2
Number (base 7): 2
Number (base 9): 2
Number (base 11): 2
Number (base 13): 2
Number (base 15): 2
Number (base 17): 2
Number (base 19): 2
Number (base 21): 2
Number (base 23): 2
Number (base 25): 2
Number (base 27): 2
Number (base 29): 2
Number (base 31): 2
Number (base 33): 2
Even / Odd: Even
Unix Timestamp: Thu Jan 01 00:00:02 1970
Perfect square: NO
Prime: YES
Positive / Negative: Positive
English: two
English digits: two
Sin: 0,909
Cos: -0,416
Tan: -2,185
Atan: 1,107
Area of a circle r= 2: 12,566
exhibitor (degree 2): 7,389