Numbers Slumber

I love numbers

Did you know 2 and 5 are the only prime numbers that end with a 2 or a 5?

And did you know, 40 when written “forty” is the only number with letters in alphabetical order, while “one” is the only one with letters in reverse order when written in English? And “four” is the only number in the English language that is spelt with the same number of letters as the number itself? Continue reading Numbers Slumber