442,821 in words
442,821
four hundred forty-two thousand eight hundred twenty-one
442,821 is written four hundred forty-two thousand eight hundred twenty-one.
Ways to write it
- As an ordinal
- four hundred forty-two thousand eight hundred twenty-first
- Expanded form
- 400,000 + 40,000 + 2,000 + 800 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 8 | 800 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 147,607 and 442,821 (4 factors)
- First 10 multiples
- 442,821, 885,642, 1,328,463, 1,771,284, 2,214,105, 2,656,926, 3,099,747, 3,542,568, 3,985,389, 4,428,210
- Square
- 442,821 × 442,821 = 196,090,438,041
- Square root
- ≈ 665.45
- Sum of the digits
- 4 + 4 + 2 + 8 + 2 + 1 = 21
- Rounded to the nearest 10
- 442,820
- Rounded to the nearest 100
- 442,800
- Rounded to the nearest 1000
- 443,000
- Number before
- 442,820
- Number after
- 442,822
- In binary
1101100000111000101
Quick check
What number comes just after 442,821?
Show the answer
442,822
Is 442,821 even or odd?
Show the answer
Odd
What is 442,821 + 10?
Show the answer
442,831
Practice 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 442,821 in words?
442,821 is written "four hundred forty-two thousand eight hundred twenty-one".
Is 442,821 a prime number?
No. 442,821 is a composite number, because it has more than two factors.
What are the factors of 442,821?
The factors of 442,821 are 1, 3, 147,607 and 442,821.