A jiffy is an actual unit of time for 1/100th of a second.
0 – Zero was not even considered a number for the Ancient Greeks. However, they also questioned whether 1 was a number.
There are 10 human body parts that are only 3 letters long (eye hip arm leg ear toe jaw rib lip gum).
The Eisenhower interstate system requires that one mile in every five must be straight. These straight sections are usable as airstrips in times of war or other emergencies.
9 – A paper cannot be folded more than 9 times. Try it!
1000… – The name of the popular search engine ‘Google’ came from a misspelling of the word ‘googol’, which is a very large number (the number one followed by one hundred zeros to be exact).
1 – The number 1 is NOT prime number, as many people believe. It is also the exact amount of butler schools in the US and the number of public telephones in Kabul.
1 WHISTLE BLAST is International Whistle Code for “Where are you?”
2 WHISTLE BLASTS is International Whistle Code for “Come to me.”
3 WHISTLE BLASTS is International Whistle Code for “I need help.”
Square root 2 (or 1.41…) – … is also called Pythagoras’ constant. Paper sizes (A4, A3 etc.) are all based on a single aspect ratio of the square root of two.
1.618… – The golden ratio between two quantities (such as lengths) often appears in nature (tree branches, uncurling ferns, pine cone arrangements, etc.) and has been used throughout history to create aesthetically pleasing designs and art works such as Leonardo da Vinci’s Mona Lisa. It’s even used in analysing modern financial markets.
4 – The four-second rule is the amount of time that internet user will wait for a page to load before leaving and going to another site. And a dollar bill can be double folded (forward and backwards) 4x103 times before it will tear.
5 – The number of baseball gloves that can be made from one cow.
An average American will spend an average of 6 months during his lifetime waiting at red lights.
Average life span of a major league baseball: 7 pitches
Percentage of bird species that are monogamous: 90
Percentage of mammal species that are monogamous: 3
Chances that a burglary in the United States will be solved: 1 in 7
13 – One of the most widespread superstitious beliefs is that the number 13 is unlucky. So common is this that many hotels and office buildings in Europe and the United States do not have a room number 13 or a floor 13.
It has long been a matter of etiquette in France to avoid having exactly 13 guests at a dinner or party. Napoleon wouldn’t allow a dinner to begin if there were 13 guests at the table. There is a custom of the “quartrozieme”, a professional guest who can be called on short notice to avoid having only 13 people dining at a dinner party.
A specific fear of Friday the 13th is called paraskavedekatriaphobia or friggatriskaidekaphobia.
It is believed that Shakespeare was 46 around the time that the King James Version of the Bible was written. In Psalms 46, the 46th word from the first word is shake and the 46th word from the last word is spear
The average person has over 1,460 dreams a year.
42 - The Answer to the Ultimate Question of Life, the Universe, and Everything. Well, according to the The Hitchhiker’s Guide to the Galaxy (written by Douglas Adams) anyway.
1000…even more zeroes- A ‘googolplex’ is the number 1 followed by a googol zeros, a number so ridiculously big that it can’t be written because there literally isn’t enough room in the entire universe to fit it in!