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The number 50. Fun math facts and the meaning of fifty biblically.

Updated on January 3, 2013

Here are some math facts about the number 50:

The number 50 is an even number – moreover it’s the 25th even number.

The factors of 50 are 1,2,5,10,25 and 50 – so 50 is divisible by 6 numbers.

The prime factors of 50 are 2 and 5 (as these factors are prime numbers).

If you write 50 as a product of prime factors you get 2 × 5 × 5.

The number 50 is the smallest number that can be written in two different ways as the sum of two square numbers:

50 = 72 + 12 and 50 = 52 and 52

Following on from this the number 50 can also be written down as the sum of three square numbers:

32 + 42 + 52 = 9 + 16 + 25 = 50

50% as a fraction is ½ or 0.5 as a decimal.

In the binary number system 50 can be written as 110010.

In the hexadecimal number system 50 can be written as 32.

In Roman numerals the number 50 is denoted by the letter L.

Other conversions involving the number 50:

If you travelled a distance of 50 miles then this would be the same as travelling 80 kilometres.

If you used 50 gallons of fuel then this would be equivalent to 225 litres.

In 50 days there are 4,320,000 seconds (50 × 24 × 60 × 60)

Other fun facts about the number 50

Other interesting non-math facts about the number 50:

50 is the atomic number of tin.

It is the 5th magic number in nuclear physics.

If a couple has been married 50 years then they would be celebrating their golden wedding anniversary.

The United States of America is made up of a total of 50 states.

50 is an important number in the bible, for example, Pentecost occurred 50 days after Christ’s resurrection.


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