Everything about 4

Discover a lot of information on the number 4: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!


Mathematical operations

Operations and solutions
4*2 = 8 The double of 4 is 8
4*3 = 12 The triple of 4 is 12
4/2 = 2 The half of 4 is 2.000000
4/3 = 1.3333333333333 The third of 4 is 1.300000
42 = 16 The square of 4 is 16.000000
43 = 64 The cube of 4 is 64.000000
√4 = 2 The square root of 4 is 2.000000
log(4) = 1.3862943611199 The natural (Neperian) logarithm of 4 is 1.386294
log10(4) = 0.60205999132796 The decimal logarithm (base 10) of 4 is 0.602060
sin(4) = -0.75680249530793 The sine of 4 is -0.756802
cos(4) = -0.65364362086361 The cosine of 4 is -0.653644
tan(4) = 1.1578212823496 The tangent of 4 is 1.157821


Mathematical representations and links

Other ways to write 4
In letter Four
In roman numeral IV
In binary 100
In octal 4
In hexadecimal 4
In US dollars USD 4.00 ($)
In euros 4,00 EUR (€)
Some related numbers
Previous number 3
Next number 5
Next prime number 5

How to write / spell 4 in letters?

In letters, the number 4 is written as: Four. And in other languages? how does it spell?

4 in other languages
Write 4 in english Four
Write 4 in french Quatre
Write 4 in spanish Cuatro
Write 4 in portuguese Quatro

Mathematical properties of 4

Questions and answers
Is 4 a prime number? No
Is 4 a perfect number? No
Number of divisors 3
List of dividers 1, 2, 4
Sum of divisors 7

Some random numbers

83
75
96
99
37
100
86
27
99
80
74
59
13
18
33
6
28
2