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Number 7: mathematical and symbolic properties | Crazy Numbers

# Everything about number 7

Discover a lot of information on the number 7: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!

## Numerology and symbolism of the number 7

The number 7 (seven) represents faith, teaching. It symbolizes reflection, the spiritual life.

## Mathematical properties of 7

Is 7 a prime number? Yes
Is 7 a perfect number? No
Number of divisors 2
List of dividers
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1, 7
Sum of divisors 8
Prime factorization 7
Prime factors
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7

## How to write / spell 7 in letters?

In letters, the number 7 is written as: Seven. And in other languages? how does it spell?

7 in other languages
Write 7 in english Seven
Write 7 in french Sept
Write 7 in spanish Siete
Write 7 in portuguese Sete

## Mathematical representations and links

Other ways to write 7
In letter Seven
In roman numeral
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VII
In binary 111
In octal 7