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47 in words

47

forty-seven

47 is written forty-seven.

Ways to write it

As an ordinal: forty-seventh
Roman numeral: XLVII
Expanded form: 40 + 7

Place value

Place	Digit	Value
tens	4	40
ones	7	7

Number facts

Even or odd: Odd
Prime or composite: Prime
Factors: 1 and 47 (2 factors)
First 10 multiples: 47, 94, 141, 188, 235, 282, 329, 376, 423, 470
Square: 47 × 47 = 2,209
Square root: ≈ 6.86
Sum of the digits: 4 + 7 = 11
Rounded to the nearest 10: 50
Number before: 46
Number after: 48
In binary: 101111

Quick check

What number comes just after 47?
Show the answer
48
Is 47 even or odd?
Show the answer
Odd
What is 47 + 10?
Show the answer
57

Practice with a game

Count with Me

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Place Value Quest

Ones, tens, hundreds and thousands.

Times Tables Challenge

Practice any times table from 2× to 12×.

Frequently asked questions

How do you write 47 in words?

47 is written "forty-seven".

Is 47 a prime number?

Yes. 47 is a prime number: its only factors are 1 and 47.

What are the factors of 47?

The factors of 47 are 1 and 47.

How do you write 47 in Roman numerals?

47 in Roman numerals is XLVII.