540 in words
540
five hundred and forty
540 is written five hundred and forty.
Ways to write it
- As an ordinal
- five hundred and fortieth
- Roman numeral
- DXL
- Expanded form
- 500 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 5 | 500 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270 and 540 (24 factors)
- First 10 multiples
- 540, 1,080, 1,620, 2,160, 2,700, 3,240, 3,780, 4,320, 4,860, 5,400
- Square
- 540 × 540 = 291,600
- Square root
- ≈ 23.24
- Sum of the digits
- 5 + 4 + 0 = 9
- Rounded to the nearest 10
- 540
- Rounded to the nearest 100
- 500
- Number before
- 539
- Number after
- 541
- In binary
1000011100
Quick check
What number comes just after 540?
Show the answer
541
Is 540 even or odd?
Show the answer
Even
What is 540 + 10?
Show the answer
550
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 540 in words?
540 is written "five hundred and forty".
Is 540 a prime number?
No. 540 is a composite number, because it has more than two factors.
What are the factors of 540?
The factors of 540 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270 and 540.
How do you write 540 in Roman numerals?
540 in Roman numerals is DXL.