420,842 in words
420,842
four hundred twenty thousand eight hundred forty-two
420,842 is written four hundred twenty thousand eight hundred forty-two.
Ways to write it
- As an ordinal
- four hundred twenty thousand eight hundred forty-second
- Expanded form
- 400,000 + 20,000 + 800 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 8 | 800 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 210,421 and 420,842 (4 factors)
- First 10 multiples
- 420,842, 841,684, 1,262,526, 1,683,368, 2,104,210, 2,525,052, 2,945,894, 3,366,736, 3,787,578, 4,208,420
- Square
- 420,842 × 420,842 = 177,107,988,964
- Square root
- ≈ 648.72
- Sum of the digits
- 4 + 2 + 0 + 8 + 4 + 2 = 20
- Rounded to the nearest 10
- 420,840
- Rounded to the nearest 100
- 420,800
- Rounded to the nearest 1000
- 421,000
- Number before
- 420,841
- Number after
- 420,843
- In binary
1100110101111101010
Quick check
What number comes just after 420,842?
Show the answer
420,843
Is 420,842 even or odd?
Show the answer
Even
What is 420,842 + 10?
Show the answer
420,852
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 420,842 in words?
420,842 is written "four hundred twenty thousand eight hundred forty-two".
Is 420,842 a prime number?
No. 420,842 is a composite number, because it has more than two factors.
What are the factors of 420,842?
The factors of 420,842 are 1, 2, 210,421 and 420,842.