1. Four is the only number in English that is equal to the number of letters in its name.

2. The ancient Greeks associated the number four with earthly balance, believing that everything was made of four elements: earth, air, fire and water.

3. The word for ‘four’ in Chinese sounds like the word for ‘death’, which is why many hospitals in China have no fourth floor.

Of all the words listed as ‘vulgar’ in the dictionary, exactly half are four-letter words.

4. For the same reason, residents of Taipei in 1995 were allowed to delete the number four from house numbers.

5. Any map may be coloured in four colours with no two regions that share a common stretch of border having the same colour.

6. This is known as the Four Colour Problem, first suggested in the 1800s but only proved in 1976.

7. Of all the words listed as ‘vulgar’ in the dictionary, exactly half are four-letter words.

8. The French for “a four-letter word” is “un mot de cinq lettres” because the most common four-letter word in French has five (cinq) letters.

9. There are four bottles of wine in a jeroboam.

10. Norway has scored “nul points” (zero points) in the Eurovision Song Contest a record four times (but they have also won the contest three times).

I'm proud to be a mathematician

Nice...same here!

I LovE maths

TRADELYN:
Nice...same here!

I LovE maths

thank you bro

Nice post. Am an architect so number 3 caught my attention. I will have to confirm that.

cool

The standard number of children -4
Most biscuits come in fours
Dinning tables come with six seats, two for couple, 4 for kids.
Most cutlery come in four sets, etc