3,42,721 in words
3,42,721
three lakh forty-two thousand seven hundred and twenty-one
3,42,721 is written three lakh forty-two thousand seven hundred and twenty-one.
Ways to write it
- International system
- three hundred and forty-two thousand seven hundred and twenty-one
- Indian system
- three lakh forty-two thousand seven hundred and twenty-one
- As an ordinal
- three lakh forty-two thousand seven hundred and twenty-first
- Expanded form
- 3,00,000 + 40,000 + 2,000 + 700 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 3 | 3,00,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 107, 3,203 and 3,42,721 (4 factors)
- First 10 multiples
- 3,42,721, 6,85,442, 10,28,163, 13,70,884, 17,13,605, 20,56,326, 23,99,047, 27,41,768, 30,84,489, 34,27,210
- Square
- 3,42,721 × 3,42,721 = 1,17,45,76,83,841
- Square root
- ≈ 585.42
- Sum of the digits
- 3 + 4 + 2 + 7 + 2 + 1 = 19
- Rounded to the nearest 10
- 3,42,720
- Rounded to the nearest 100
- 3,42,700
- Rounded to the nearest 1000
- 3,43,000
- Number before
- 3,42,720
- Number after
- 3,42,722
- In binary
1010011101011000001
Quick check
What number comes just after 3,42,721?
Show the answer
3,42,722
Is 3,42,721 even or odd?
Show the answer
Odd
What is 3,42,721 + 10?
Show the answer
3,42,731
Practise with a game
Factors, Multiples & Primes
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Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 3,42,721 in words?
3,42,721 is written "three lakh forty-two thousand seven hundred and twenty-one".
Is 3,42,721 a prime number?
No. 3,42,721 is a composite number, because it has more than two factors.
What are the factors of 3,42,721?
The factors of 3,42,721 are 1, 107, 3,203 and 3,42,721.