42,842 in words
42,842
forty-two thousand eight hundred forty-two
42,842 is written forty-two thousand eight hundred forty-two.
Ways to write it
- As an ordinal
- forty-two thousand eight hundred forty-second
- Expanded form
- 40,000 + 2,000 + 800 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 8 | 800 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 31, 62, 691, 1,382, 21,421 and 42,842 (8 factors)
- First 10 multiples
- 42,842, 85,684, 128,526, 171,368, 214,210, 257,052, 299,894, 342,736, 385,578, 428,420
- Square
- 42,842 × 42,842 = 1,835,436,964
- Square root
- ≈ 206.98
- Sum of the digits
- 4 + 2 + 8 + 4 + 2 = 20
- Rounded to the nearest 10
- 42,840
- Rounded to the nearest 100
- 42,800
- Rounded to the nearest 1000
- 43,000
- Number before
- 42,841
- Number after
- 42,843
- In binary
1010011101011010
Quick check
What number comes just after 42,842?
Show the answer
42,843
Is 42,842 even or odd?
Show the answer
Even
What is 42,842 + 10?
Show the answer
42,852
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 42,842 in words?
42,842 is written "forty-two thousand eight hundred forty-two".
Is 42,842 a prime number?
No. 42,842 is a composite number, because it has more than two factors.
What are the factors of 42,842?
The factors of 42,842 are 1, 2, 31, 62, 691, 1,382, 21,421 and 42,842.