"ONE" is the only number in the English language to have its letters in reverse alphabetical order.

If you multiply 1089 x 9 you get 9801. It's reversed itself! This also works with 10989 or 109989 or 1099989 and so on.

Googol - Google

The Google search engine name came from the common misspelling of the word 'Googol'

A googol is a 1 followed by 100 zeros - that's (wait for it....!)

1,00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000.

The mathematician Edward Kasner asked his 9 year old nephew Milton Sinotta to suggest a name for the number, and he came up with the word "googol." What would you have called it?

The amazing number 3!

3 is a very odd number...it's a prime number so it can only be divided by itself or 1!

Tri - means three. So triangles have 3 sides, tripods have 3 legs and the dinosaur triceratops had 3 horns

The French flag is a 'tricolore' because it has 3 colours.

Trigonometry is a branch of mathematics based on measuring triangles.

One billion pennies laid side to side would stretch 12,626 miles, approximately the distance from London to Sydney, Australia.

The amazing number 4!

A quartet of fascinating facts!

The word 'four' has 4 letters, in the English language there is no other number whose number of letters is equal to its value.

If you multiply 21978 by 4 it turns backwards.

The word "forty" is the only number that has its letters in alphabetical order.

2+2 = 2 x 2 = 2² = 4

The Yuki People!

The Yuki people of Northern California, USA used the 8 spaces between the fingers to count and invented the octal system (we use the 10 fingered decimal).