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8 in words

8

eight

8 is written eight.

Ways to write it

As an ordinal: eighth
Roman numeral: VIII

Place value

Place	Digit	Value
ones	8	8

Number facts

Even or odd: Even
Prime or composite: Composite
Factors: 1, 2, 4 and 8 (4 factors)
First 10 multiples: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80
Square: 8 × 8 = 64
Square root: ≈ 2.83
Cube root: 2
Rounded to the nearest 10: 10
Number before: 7
Number after: 9
In binary: 1000

Quick check

What number comes just after 8?
Show the answer
9
Is 8 even or odd?
Show the answer
Even
What is 8 + 10?
Show the answer
18

Practise with a game

Count with Me

Count pictures up to 5, 10 or 20 and compare groups.

Place Value Quest

Ones, tens, hundreds and thousands.

Times Tables Challenge

Practise any times table from 2× to 12×.

Frequently asked questions

How do you write 8 in words?

8 is written "eight".

Is 8 a prime number?

No. 8 is a composite number, because it has more than two factors.

What are the factors of 8?

The factors of 8 are 1, 2, 4 and 8.

How do you write 8 in Roman numerals?

8 in Roman numerals is VIII.