3,13,721 in words
3,13,721
three lakh thirteen thousand seven hundred and twenty-one
3,13,721 is written three lakh thirteen thousand seven hundred and twenty-one.
Ways to write it
- International system
- three hundred and thirteen thousand seven hundred and twenty-one
- Indian system
- three lakh thirteen thousand seven hundred and twenty-one
- As an ordinal
- three lakh thirteen thousand seven hundred and twenty-first
- Expanded form
- 3,00,000 + 10,000 + 3,000 + 700 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 3 | 3,00,000 |
| ten thousands | 1 | 10,000 |
| thousands | 3 | 3,000 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 3,13,721 (2 factors)
- First 10 multiples
- 3,13,721, 6,27,442, 9,41,163, 12,54,884, 15,68,605, 18,82,326, 21,96,047, 25,09,768, 28,23,489, 31,37,210
- Square
- 3,13,721 × 3,13,721 = 98,42,08,65,841
- Square root
- ≈ 560.11
- Sum of the digits
- 3 + 1 + 3 + 7 + 2 + 1 = 17
- Rounded to the nearest 10
- 3,13,720
- Rounded to the nearest 100
- 3,13,700
- Rounded to the nearest 1000
- 3,14,000
- Number before
- 3,13,720
- Number after
- 3,13,722
- In binary
1001100100101111001
Quick check
What number comes just after 3,13,721?
Show the answer
3,13,722
Is 3,13,721 even or odd?
Show the answer
Odd
What is 3,13,721 + 10?
Show the answer
3,13,731
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 3,13,721 in words?
3,13,721 is written "three lakh thirteen thousand seven hundred and twenty-one".
Is 3,13,721 a prime number?
Yes. 3,13,721 is a prime number: its only factors are 1 and 3,13,721.
What are the factors of 3,13,721?
The factors of 3,13,721 are 1 and 3,13,721.