Discover a lot of information on the number 4: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!
Numerology and symbolism of the number 4
The number 4 (four) is the symbol of the square. It represents structuring, organization, work and construction.
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 |
Prime factorization |
22 |
Prime factors |
2 |
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 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 |
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 1.333333 |
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 |