- In France, there are six villages called Silly, twelve called Billy, and two called Pratt
- Four is the only number spelled with the same number of letters as itself
- Triskaidekaphobia is the extreme fear of number 13
- Empire State Building is made of 10 million bricks
- One is the loneliest number, but 23 is a happy number
- Coral Anniversary is the term used for the 35th anniversary
- 111,111,111 × 111,111,111 = 12,345,678,987,654,321