Welcome to the dictionary of numbers

This page will tell you almost everything that it is necessary to know about number: 20
Let's begin with a basic information:

Number 20

Structure

Number 20 has 2 figures which are brought to 2. In English it sounds so: twenty. Besides, the numbers representing number 20 are: two, zero.
Number 20 - decimal number which means that on the basis 10. 20 can be also presented in different bases, such as the Binary system of calculation also looks: 10100, the Octal system of an calculation also, also looks as and 16, in Hexadecimal system of calculation and looks as follows: . 20 The number in the triple system of reference looks like: in fourfold: 110 in pyatirichoy: in shestirichnoy: 32 in the septenary: . Also the number of number systems in from 4 to 34.

Characteristic

Number 20 is Positive and Even. His inverse number 0,05 and negative number -20. Number 20 can be divided on 1, 2, 4, 5, 10, 20 without the rest. Besides, it is not an ideal square, and it not a prime number. Now let's use trigonometrical functions. By means of sinusoidal function: Sin(20°) gives 0,913, using function of the Cosine of the cos function (20°) gives 0,408 and through the Tangent the tan function(20°) is made by 2,237. Arctangent number is 20 1,521, area of ​​a circle of radius equal to 20 1256,637 exponent in powers of 20 is 485165195,41.
Previous number: 19
Binary (base two): 10100
Number (base 4): 110
Number (base 6): 32
Number (base 8): 24
Number (base 10): 20
Number (base 12): 18
Number (base 14): 16
Number (base 16): 14
Number (base 18): 12
Number (base 20): 10
Number (base 22): k
Number (base 24): k
Number (base 26): k
Number (base 28): k
Number (base 30): k
Number (base 32): k
Number (base 34): k
Inverse: 0,05
Counter: -20
Divisible by: 1, 2, 4, 5, 10, 20
Factorial number: 2,4329020081766E+18
Number of digits: 2
Sum of digits: 2
Product of digits: 0
20 radian is equal (degree): 1145,916
Next number: 21
Number (base 3): 202
Number (base 5): 40
Number (base 7): 26
Number (base 9): 22
Number (base 11): 19
Number (base 13): 17
Number (base 15): 15
Number (base 17): 13
Number (base 19): 11
Number (base 21): k
Number (base 23): k
Number (base 25): k
Number (base 27): k
Number (base 29): k
Number (base 31): k
Number (base 33): k
Even / Odd: Even
Unix Timestamp: Thu Jan 01 00:00:20 1970
Perfect square: NO
Prime: NO
Positive / Negative: Positive
English: twenty
English digits: two, zero
Sin: 0,913
Cos: 0,408
Tan: 2,237
Atan: 1,521
Area of a circle r= 20: 1256,637
exhibitor (degree 20): 485165195,41