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8 (eight) is a positive integer following 7 and preceding 9. Its ordinal form is written "8th" or "eighth".

## Properties Edit

8 is an even number.

8 is the 2nd cube number.

8 is equal to 4!!, the double factorial of 4.

8 is a power of two.

## In googology Edit

Some googologisms based on 8 are superoct and octoogol.

In Greek- and Latin-based number naming systems, 8 is associated with prefix octi-.

8 is equal to $$f_2(2)$$ or $$f_\omega(2)$$ in the fast-growing hierarchy.

Aarex Tiaokhiao calls this number octal-uoonol.[1]

Username5243 calls this number Binary-Gootol or Octal-Goonol, and it's equal to 2[1]3 = 8[1]1 in Username5243's Array Notation.[2]