Everything about 5

Discover a lot of information on the number 5: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!


Mathematical operations

Operations and solutions
5*2 = 10 The double of 5 is 10
5*3 = 15 The triple of 5 is 15
5/2 = 2.5 The half of 5 is 2.500000
5/3 = 1.6666666666667 The third of 5 is 1.666667
52 = 25 The square of 5 is 25.000000
53 = 125 The cube of 5 is 125.000000
√5 = 2.2360679774998 The square root of 5 is 2.236068
log(5) = 1.6094379124341 The natural (Neperian) logarithm of 5 is 1.609438
log10(5) = 0.69897000433602 The decimal logarithm (base 10) of 5 is 0.698970
sin(5) = -0.95892427466314 The sine of 5 is -0.958924
cos(5) = 0.28366218546323 The cosine of 5 is 0.283662
tan(5) = -3.3805150062466 The tangent of 5 is -3.380515


Mathematical representations and links

Other ways to write 5
In letter Five
In roman numeral V
In binary 101
In octal 5
In hexadecimal 5
In US dollars USD 5.00 ($)
In euros 5,00 EUR (€)
Some related numbers
Previous number 4
Next number 6
Next prime number 7

How to write / spell 5 in letters?

In letters, the number 5 is written as: Five. And in other languages? how does it spell?

5 in other languages
Write 5 in english Five
Write 5 in french Cinq
Write 5 in spanish Cinco
Write 5 in portuguese Cinco

Mathematical properties of 5

Questions and answers
Is 5 a prime number? Yes
Is 5 a perfect number? No
Number of divisors 2
List of dividers 1, 5
Sum of divisors 6

Some random numbers

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