842,440 in words
842,440
eight hundred forty-two thousand four hundred forty
842,440 is written eight hundred forty-two thousand four hundred forty.
Ways to write it
- As an ordinal
- eight hundred forty-two thousand four hundred fortieth
- Expanded form
- 800,000 + 40,000 + 2,000 + 400 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 4 | 400 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 8, 10, 20, 40, 21,061, 42,122, 84,244, 105,305, 168,488, 210,610, 421,220 and 842,440 (16 factors)
- First 10 multiples
- 842,440, 1,684,880, 2,527,320, 3,369,760, 4,212,200, 5,054,640, 5,897,080, 6,739,520, 7,581,960, 8,424,400
- Square
- 842,440 × 842,440 = 709,705,153,600
- Square root
- ≈ 917.85
- Sum of the digits
- 8 + 4 + 2 + 4 + 4 + 0 = 22
- Rounded to the nearest 10
- 842,440
- Rounded to the nearest 100
- 842,400
- Rounded to the nearest 1000
- 842,000
- Number before
- 842,439
- Number after
- 842,441
- In binary
11001101101011001000
Quick check
What number comes just after 842,440?
Show the answer
842,441
Is 842,440 even or odd?
Show the answer
Even
What is 842,440 + 10?
Show the answer
842,450
Practise with a game
Factors, Multiples & Primes
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Number Patterns
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How do you write 842,440 in words?
842,440 is written "eight hundred forty-two thousand four hundred forty".
Is 842,440 a prime number?
No. 842,440 is a composite number, because it has more than two factors.
What are the factors of 842,440?
The factors of 842,440 are 1, 2, 4, 5, 8, 10, 20, 40, 21,061, 42,122, 84,244, 105,305, 168,488, 210,610, 421,220 and 842,440.