# 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!

## 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 |

## 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 |

4^{2} |
= |
16 |
The square of 4 is 16.000000 |

4^{3} |
= |
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 |