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Country and language

Country and language: United Arab Emirates

Country and language

4 in words

4

four

4 is written four.

Ways to write it

As an ordinal
fourth
Roman numeral
IV

Place value

PlaceDigitValue
ones44

Number facts

Even or odd
Even
Prime or composite
Composite
Factors
1, 2 and 4 (3 factors)
First 10 multiples
4, 8, 12, 16, 20, 24, 28, 32, 36, 40
Square
4 × 4 = 16
Square root
2
Rounded to the nearest 10
0
Number before
3
Number after
5
In binary
100

Quick check

  1. What number comes just after 4?

    Show the answer

    5

  2. Is 4 even or odd?

    Show the answer

    Even

  3. What is 4 + 10?

    Show the answer

    14

Practise with a game

Count with Me

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

Frequently asked questions

How do you write 4 in words?

4 is written "four".

Is 4 a prime number?

No. 4 is a composite number, because it has more than two factors.

What are the factors of 4?

The factors of 4 are 1, 2 and 4.

How do you write 4 in Roman numerals?

4 in Roman numerals is IV.