472,821 in words
472,821
four hundred seventy-two thousand eight hundred twenty-one
472,821 is written four hundred seventy-two thousand eight hundred twenty-one.
Ways to write it
- As an ordinal
- four hundred seventy-two thousand eight hundred twenty-first
- Expanded form
- 400,000 + 70,000 + 2,000 + 800 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 7 | 70,000 |
| 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, 17, 51, 73, 127, 219, 381, 1,241, 2,159, 3,723, 6,477, 9,271, 27,813, 157,607 and 472,821 (16 factors)
- First 10 multiples
- 472,821, 945,642, 1,418,463, 1,891,284, 2,364,105, 2,836,926, 3,309,747, 3,782,568, 4,255,389, 4,728,210
- Square
- 472,821 × 472,821 = 223,559,698,041
- Square root
- ≈ 687.62
- Sum of the digits
- 4 + 7 + 2 + 8 + 2 + 1 = 24
- Rounded to the nearest 10
- 472,820
- Rounded to the nearest 100
- 472,800
- Rounded to the nearest 1000
- 473,000
- Number before
- 472,820
- Number after
- 472,822
- In binary
1110011011011110101
Quick check
What number comes just after 472,821?
Show the answer
472,822
Is 472,821 even or odd?
Show the answer
Odd
What is 472,821 + 10?
Show the answer
472,831
Practise with a game
Factors, Multiples & Primes
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Number Patterns
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How do you write 472,821 in words?
472,821 is written "four hundred seventy-two thousand eight hundred twenty-one".
Is 472,821 a prime number?
No. 472,821 is a composite number, because it has more than two factors.
What are the factors of 472,821?
The factors of 472,821 are 1, 3, 17, 51, 73, 127, 219, 381, 1,241, 2,159, 3,723, 6,477, 9,271, 27,813, 157,607 and 472,821.