The number 4 is a "fair number," because a square of side 4 cm has its perimeter numerically equal to its area: 16 cm and 16 cmยฒ.

via giphy

by MathPlus December 17, 2016

the number after 3

the sum of 2 and 2

the product of 2 and 2

the 4th number

the square root of 16

the smallest perfect square

the number of people you need for a game of foursquare

the number of people you need for a game of beach volleyball

the number of balls you need to pitch in baseball to walk

the number of corners and side on almost all sport fields

the number of corners and sides of any TV screen and any square appliance

the number of prongs on the average fork

the number of heads on mount Rushmoore

the number of years a president serves in a term in the USA

the number on Brett Favres jersey

the number of people needed for an official orgy

the number of quarters in a dollar

the number of legs on most animals

the number of legs on most chairs and tables

the number of planets within the asteroid belt

the number of gas giants in the solar system

the number of nucleobase types in DNA

the number of chambers in the mammalian heart

the number of canines, incisors, and wisdom teeth in the human mouth

the number of seasons in a year

the number of cardinal directions

the number of people in the average rock band

and much more...

the sum of 2 and 2

the product of 2 and 2

the 4th number

the square root of 16

the smallest perfect square

the number of people you need for a game of foursquare

the number of people you need for a game of beach volleyball

the number of balls you need to pitch in baseball to walk

the number of corners and side on almost all sport fields

the number of corners and sides of any TV screen and any square appliance

the number of prongs on the average fork

the number of heads on mount Rushmoore

the number of years a president serves in a term in the USA

the number on Brett Favres jersey

the number of people needed for an official orgy

the number of quarters in a dollar

the number of legs on most animals

the number of legs on most chairs and tables

the number of planets within the asteroid belt

the number of gas giants in the solar system

the number of nucleobase types in DNA

the number of chambers in the mammalian heart

the number of canines, incisors, and wisdom teeth in the human mouth

the number of seasons in a year

the number of cardinal directions

the number of people in the average rock band

and much more...

guy1: 4!

guy2: What about 4?

guy1: just think of the significance. think of the possibilities!

guy2: dude, your right

guy2: What about 4?

guy1: just think of the significance. think of the possibilities!

guy2: dude, your right

by george133 August 01, 2010

by Donald E. Baser June 17, 2008

by Anonymous January 29, 2003

by 4sgalore August 22, 2007

A number which is considered extremely unlucky in Chinese and Japanese culture. The pronunciation of the character for "death" sounds like that of the number four in both languages, making it a number rarely seen in hospitals (or pachinko halls).

by Matticus November 21, 2003

by Sir Ryan December 03, 2006