842 in words
842
eight hundred forty-two
842 is written eight hundred forty-two.
Ways to write it
- As an ordinal
- eight hundred forty-second
- Roman numeral
- DCCCXLII
- Expanded form
- 800 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 8 | 800 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 421 and 842 (4 factors)
- First 10 multiples
- 842, 1,684, 2,526, 3,368, 4,210, 5,052, 5,894, 6,736, 7,578, 8,420
- Square
- 842 × 842 = 708,964
- Square root
- ≈ 29.02
- Sum of the digits
- 8 + 4 + 2 = 14
- Rounded to the nearest 10
- 840
- Rounded to the nearest 100
- 800
- Number before
- 841
- Number after
- 843
- In binary
1101001010
Quick check
What number comes just after 842?
Show the answer
843
Is 842 even or odd?
Show the answer
Even
What is 842 + 10?
Show the answer
852
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 842 in words?
842 is written "eight hundred forty-two".
Is 842 a prime number?
No. 842 is a composite number, because it has more than two factors.
What are the factors of 842?
The factors of 842 are 1, 2, 421 and 842.
How do you write 842 in Roman numerals?
842 in Roman numerals is DCCCXLII.