Everything about 42

Discover a lot of information on the number 42: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!


Mathematical properties of 42

Questions and answers
Is 42 a prime number? No
Is 42 a perfect number? No
Number of divisors 8
List of dividers 1, 2, 3, 6, 7, 14, 21, 42
Sum of divisors 96

How to write / spell 42 in letters?

In letters, the number 42 is written as: Forty-two. And in other languages? how does it spell?

42 in other languages
Write 42 in english Forty-two
Write 42 in french Quarante-deux
Write 42 in spanish Cuarenta y dos
Write 42 in portuguese Quarenta e dois

Decomposition of the number 42

The number 42 is composed of:

1 iteration of the number 4 : The number 4 (four) is the symbol of the square. It represents structuring, organization, work and construction.... Find out more about the number 4

1 iteration of the number 2 : The number 2 (two) represents double, association, cooperation, union, complementarity. It is the symbol of duality.... Find out more about the number 2

Mathematical representations and links

Other ways to write 42
In letter Forty-two
In roman numeral XLII
In binary 101010
In octal 52
In hexadecimal 2a
In US dollars USD 42.00 ($)
In euros 42,00 EUR (€)
Some related numbers
Previous number 41
Next number 43
Next prime number 43

Mathematical operations

Operations and solutions
42*2 = 84 The double of 42 is 84
42*3 = 126 The triple of 42 is 126
42/2 = 21 The half of 42 is 21.000000
42/3 = 14 The third of 42 is 14.000000
422 = 1764 The square of 42 is 1764.000000
423 = 74088 The cube of 42 is 74088.000000
√42 = 6.4807406984079 The square root of 42 is 6.480741
log(42) = 3.7376696182834 The natural (Neperian) logarithm of 42 is 3.737670
log10(42) = 1.6232492903979 The decimal logarithm (base 10) of 42 is 1.623249
sin(42) = -0.91652154791563 The sine of 42 is -0.916522
cos(42) = -0.39998531498835 The cosine of 42 is -0.399985
tan(42) = 2.2913879924375 The tangent of 42 is 2.291388

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