842,009 in words
842,009
eight hundred forty-two thousand nine
842,009 is written eight hundred forty-two thousand nine.
Ways to write it
- As an ordinal
- eight hundred forty-two thousand ninth
- Expanded form
- 800,000 + 40,000 + 2,000 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 37, 259, 3,251, 22,757, 120,287 and 842,009 (8 factors)
- First 10 multiples
- 842,009, 1,684,018, 2,526,027, 3,368,036, 4,210,045, 5,052,054, 5,894,063, 6,736,072, 7,578,081, 8,420,090
- Square
- 842,009 × 842,009 = 708,979,156,081
- Square root
- ≈ 917.61
- Sum of the digits
- 8 + 4 + 2 + 0 + 0 + 9 = 23
- Rounded to the nearest 10
- 842,010
- Rounded to the nearest 100
- 842,000
- Rounded to the nearest 1000
- 842,000
- Number before
- 842,008
- Number after
- 842,010
- In binary
11001101100100011001
Quick check
What number comes just after 842,009?
Show the answer
842,010
Is 842,009 even or odd?
Show the answer
Odd
What is 842,009 + 10?
Show the answer
842,019
Practice with a game
Factors, Multiples & Primes
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Number Patterns
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How do you write 842,009 in words?
842,009 is written "eight hundred forty-two thousand nine".
Is 842,009 a prime number?
No. 842,009 is a composite number, because it has more than two factors.
What are the factors of 842,009?
The factors of 842,009 are 1, 7, 37, 259, 3,251, 22,757, 120,287 and 842,009.