821,242 in words
821,242
eight hundred twenty-one thousand two hundred forty-two
821,242 is written eight hundred twenty-one thousand two hundred forty-two.
Ways to write it
- As an ordinal
- eight hundred twenty-one thousand two hundred forty-second
- Expanded form
- 800,000 + 20,000 + 1,000 + 200 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 2 | 200 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 410,621 and 821,242 (4 factors)
- First 10 multiples
- 821,242, 1,642,484, 2,463,726, 3,284,968, 4,106,210, 4,927,452, 5,748,694, 6,569,936, 7,391,178, 8,212,420
- Square
- 821,242 × 821,242 = 674,438,422,564
- Square root
- ≈ 906.22
- Sum of the digits
- 8 + 2 + 1 + 2 + 4 + 2 = 19
- Rounded to the nearest 10
- 821,240
- Rounded to the nearest 100
- 821,200
- Rounded to the nearest 1000
- 821,000
- Number before
- 821,241
- Number after
- 821,243
- In binary
11001000011111111010
Quick check
What number comes just after 821,242?
Show the answer
821,243
Is 821,242 even or odd?
Show the answer
Even
What is 821,242 + 10?
Show the answer
821,252
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 821,242 in words?
821,242 is written "eight hundred twenty-one thousand two hundred forty-two".
Is 821,242 a prime number?
No. 821,242 is a composite number, because it has more than two factors.
What are the factors of 821,242?
The factors of 821,242 are 1, 2, 410,621 and 821,242.