18,842 in words
18,842
eighteen thousand eight hundred forty-two
18,842 is written eighteen thousand eight hundred forty-two.
Ways to write it
- As an ordinal
- eighteen thousand eight hundred forty-second
- Expanded form
- 10,000 + 8,000 + 800 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 8 | 8,000 |
| hundreds | 8 | 800 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 9,421 and 18,842 (4 factors)
- First 10 multiples
- 18,842, 37,684, 56,526, 75,368, 94,210, 113,052, 131,894, 150,736, 169,578, 188,420
- Square
- 18,842 × 18,842 = 355,020,964
- Square root
- ≈ 137.27
- Sum of the digits
- 1 + 8 + 8 + 4 + 2 = 23
- Rounded to the nearest 10
- 18,840
- Rounded to the nearest 100
- 18,800
- Rounded to the nearest 1000
- 19,000
- Number before
- 18,841
- Number after
- 18,843
- In binary
100100110011010
Quick check
What number comes just after 18,842?
Show the answer
18,843
Is 18,842 even or odd?
Show the answer
Even
What is 18,842 + 10?
Show the answer
18,852
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 18,842 in words?
18,842 is written "eighteen thousand eight hundred forty-two".
Is 18,842 a prime number?
No. 18,842 is a composite number, because it has more than two factors.
What are the factors of 18,842?
The factors of 18,842 are 1, 2, 9,421 and 18,842.