8,42,521 in words
8,42,521
eight lakh forty-two thousand five hundred and twenty-one
8,42,521 is written eight lakh forty-two thousand five hundred and twenty-one.
Ways to write it
- International system
- eight hundred and forty-two thousand five hundred and twenty-one
- Indian system
- eight lakh forty-two thousand five hundred and twenty-one
- As an ordinal
- eight lakh forty-two thousand five hundred and twenty-first
- Expanded form
- 8,00,000 + 40,000 + 2,000 + 500 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 8 | 8,00,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 5 | 500 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 8,42,521 (2 factors)
- First 10 multiples
- 8,42,521, 16,85,042, 25,27,563, 33,70,084, 42,12,605, 50,55,126, 58,97,647, 67,40,168, 75,82,689, 84,25,210
- Square
- 8,42,521 × 8,42,521 = 7,09,84,16,35,441
- Square root
- ≈ 917.89
- Sum of the digits
- 8 + 4 + 2 + 5 + 2 + 1 = 22
- Rounded to the nearest 10
- 8,42,520
- Rounded to the nearest 100
- 8,42,500
- Rounded to the nearest 1000
- 8,43,000
- Number before
- 8,42,520
- Number after
- 8,42,522
- In binary
11001101101100011001
Quick check
What number comes just after 8,42,521?
Show the answer
8,42,522
Is 8,42,521 even or odd?
Show the answer
Odd
What is 8,42,521 + 10?
Show the answer
8,42,531
Practise with a game
Factors, Multiples & Primes
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Number Patterns
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How do you write 8,42,521 in words?
8,42,521 is written "eight lakh forty-two thousand five hundred and twenty-one".
Is 8,42,521 a prime number?
Yes. 8,42,521 is a prime number: its only factors are 1 and 8,42,521.
What are the factors of 8,42,521?
The factors of 8,42,521 are 1 and 8,42,521.