5 is a natural number following 4 and preceding 6 and is a prime number.
In general, we have 5 fingers on each hand and 5 toes on each foot.
There are 5 vowels in the English language: a, e, i, o and u.
Five is the number of senses we have: hearing, sight, smell, taste, and touch.
Two people give a high five by slapping their right hands raised high.
The number 5 is the only prime that is both the sum and the difference of two primes.
The number 5 is a pyramidal number.
5 can be represented as the difference of two squares: 5 = 32 − 22.
A plane closed polygon with five sides is called a pentagon.
This five-pointed figure is called a pentagram:
There are five regular polyhedrons: tetrahedron,
hexahedron, octahedron, dodecahedron, and icosahedron.
The only prime digit in which a perfect square can end.
The word PRIME contains 5 letters.
The number 5 = 22 + 1 is a Fermat prime – an odd prime of the form 2k + 1.
Euclid gave 5 postulates of plane geometry.
The only prime digit in which a perfect square can end.
FIVE is the only prime written with an equal (prime) number of distinct vowels and consonants, i.e., IE & FV.
The following relation is true: 5 = 3! – 2! + 1!
A limerick is a light humorous or nonsensical verse of 5 lines that usually has the rhyme scheme aabba.
A conic is determined using five points.
On the seven-segment display, it is represented by five segments at four successive turns from top to bottom, rotating counterclockwise first, then clockwise, and vice-versa.
A hypertetrahedron, the 4-dimensional analogue of the tetrahedron, has five vertices.