821,342 in words
821,342
eight hundred twenty-one thousand three hundred forty-two
821,342 is written eight hundred twenty-one thousand three hundred forty-two.
Ways to write it
- As an ordinal
- eight hundred twenty-one thousand three hundred forty-second
- Expanded form
- 800,000 + 20,000 + 1,000 + 300 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 410,671 and 821,342 (4 factors)
- First 10 multiples
- 821,342, 1,642,684, 2,464,026, 3,285,368, 4,106,710, 4,928,052, 5,749,394, 6,570,736, 7,392,078, 8,213,420
- Square
- 821,342 × 821,342 = 674,602,680,964
- Square root
- ≈ 906.28
- Sum of the digits
- 8 + 2 + 1 + 3 + 4 + 2 = 20
- Rounded to the nearest 10
- 821,340
- Rounded to the nearest 100
- 821,300
- Rounded to the nearest 1000
- 821,000
- Number before
- 821,341
- Number after
- 821,343
- In binary
11001000100001011110
Quick check
What number comes just after 821,342?
Show the answer
821,343
Is 821,342 even or odd?
Show the answer
Even
What is 821,342 + 10?
Show the answer
821,352
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
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How do you write 821,342 in words?
821,342 is written "eight hundred twenty-one thousand three hundred forty-two".
Is 821,342 a prime number?
No. 821,342 is a composite number, because it has more than two factors.
What are the factors of 821,342?
The factors of 821,342 are 1, 2, 410,671 and 821,342.