42,240 in words
42,240
forty-two thousand two hundred forty
42,240 is written forty-two thousand two hundred forty.
Ways to write it
- As an ordinal
- forty-two thousand two hundred fortieth
- Expanded form
- 40,000 + 2,000 + 200 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 2 | 200 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 72 factors: too many to list
- First 10 multiples
- 42,240, 84,480, 126,720, 168,960, 211,200, 253,440, 295,680, 337,920, 380,160, 422,400
- Square
- 42,240 × 42,240 = 1,784,217,600
- Square root
- ≈ 205.52
- Sum of the digits
- 4 + 2 + 2 + 4 + 0 = 12
- Rounded to the nearest 10
- 42,240
- Rounded to the nearest 100
- 42,200
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,239
- Number after
- 42,241
- In binary
1010010100000000
Quick check
What number comes just after 42,240?
Show the answer
42,241
Is 42,240 even or odd?
Show the answer
Even
What is 42,240 + 10?
Show the answer
42,250
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 42,240 in words?
42,240 is written "forty-two thousand two hundred forty".
Is 42,240 a prime number?
No. 42,240 is a composite number, because it has more than two factors.