About

8 is the natural number the proceeds 7 and precedes 9.

Properties

• A base-10 number is divisible by 8 if the last 3 digits are divisible by 8.
• A 4-dimensional shape with eight cells is known as an 8-cell, or a tesseract.
  • It is also one of the six platonic solids in 4D.

Times Table

1 x 8 = 8

2 x 8 = 16

3 x 8 = 24

4 x 8 = 32

5 x 8 = 40

6 x 8 = 48

7 x 8 = 56

8 x 8 = 64

9 x 8 = 72

10 x 8 = 80

11 x 8 = 88

12 x 8 = 96

Significance

• There are eight planets in the typical solar system model.
• Eight-dimensional numbers are known as octonions.
• In music theory, 1/8 is a musical note that lasts half a second.
• Base-8 (Octal) is quite well-known in computing.
• Chess uses an eight by eight grid to play.
• Octopi have eight legs.
• Spiders have eight legs.

Bases

8's value is:

• 1000 in Binary.
• 22 in Ternary.
• 20 in Quaternary.
• 13 in Quinary.
• 12 in Heximal.
• 11 in Septimal.
• 10 in Octal.