50 (number)

From Academic Kids

50 ("fifty") is the number following 49 and preceding 51.

List of numbersIntegers

<< 50 51 52 53 54 55 56 57 58 59 >>

Cardinal fifty
Ordinal50th (fiftieth)
Factorization<math>2 \cdot 5^2<math>
Roman numeralL
Binary110010
Hexadecimal32
Hebrewנ (Nun)

In mathematics

Fifty is the smallest number that can be written as the sum of two squares in two distinct ways: 50 = 12 + 72 = 52 + 52. It is also the sum of three squares, 50 = 32 + 42 + 52. It is a Harshad number.

There is no answer to the equation φ(x) = 50, making 50 a nontotient. Nor is there an answer to the equation x - φ(x) = 50, making 50 a noncototient.

In astronomy

In other fields

Missing image
Series2004NoteFront_50.jpg

Fifty is also:

eo:Kvindek ko:50 ia:50 it:Cinquanta nl:50 (getal) ja:50 sl:50 (število) sv:50 (tal) zh:50

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