324 in words
324
three hundred and twenty-four
324 is written three hundred and twenty-four.
Ways to write it
- As an ordinal
- three hundred and twenty-fourth
- Roman numeral
- CCCXXIV
- Expanded form
- 300 + 20 + 4
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 3 | 300 |
| tens | 2 | 20 |
| ones | 4 | 4 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162 and 324 (15 factors)
- First 10 multiples
- 324, 648, 972, 1,296, 1,620, 1,944, 2,268, 2,592, 2,916, 3,240
- Square
- 324 × 324 = 104,976
- Square root
- 18
- Sum of the digits
- 3 + 2 + 4 = 9
- Rounded to the nearest 10
- 320
- Rounded to the nearest 100
- 300
- Number before
- 323
- Number after
- 325
- In binary
101000100
Quick check
What number comes just after 324?
Show the answer
325
Is 324 even or odd?
Show the answer
Even
What is 324 + 10?
Show the answer
334
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 324 in words?
324 is written "three hundred and twenty-four".
Is 324 a prime number?
No. 324 is a composite number, because it has more than two factors.
What are the factors of 324?
The factors of 324 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162 and 324.
How do you write 324 in Roman numerals?
324 in Roman numerals is CCCXXIV.