Math Facts About The Number 19 (Nineteen) Plus Other Fun Facts About This Number

Learn everything you need to know about the number 19, such as the divisors of 19, the multiple of 19, the name of your 19th wedding anniversay, 19 wrtten in roman numerals etc…

Here are some mathematical facts all about the number 19 (nineteen).

The number 19 is the number between 18 and 20.

The number 19 is an odd number, as the number ends in 9.

There are only 2 divisors of 19 which are 1 and 19. Therefore, the number 19 is a prime number.

The number 19 is also a twin prime number with the number 17.

The number 19 is the 8th prime number (2,3,5,7,11,13,17,19…)

The first ten multiples of 19 are 19,38,57,76,95,114,133,152,171 and 190.

If you double 19 you get 38 and half of 19 is 9.5.

19 squared is 361 (since 19 times 19 is 361).

Also, the cube of 19 is 6859 (since 19 times 19 times 19 is 6859)

The square root of 19 is 4.4 rounded to 2 significant figures.

19% as a decimal is 0.19 and 19/100 as a fraction.

19 miles is about the same length as 30.4 kilometres (19 × 1.6).

19 gallons is about the same volume as 85.5 litres. (19 × 4.5).

19 pounds is a about the same weight as 8.6 kilograms (19 ÷ 2.2).

A 2D shape made up of 19 sides is called an enneakaidecagon. 

Other facts about the number 19

In Chemistry, 19 is the atomic number of potassium.

In Bingo, ball number 19 is called Goodbye Teens.

The modern name given to a 19th wedding anniversary is Bronze.

The traditional name given to a 19th wedding anniversary is Aquamarine.

19 written in roman numerals is XIX.

19 was an album written by jazz singer Adele.

Renault produced a car called the Renault 19.

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One Response to “Math Facts About The Number 19 (Nineteen) Plus Other Fun Facts About This Number”
  1. hi Says...

    On August 18, 2012 at 1:12 pm

    boooo


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