4,42,721 in words
4,42,721
four lakh forty-two thousand seven hundred and twenty-one
4,42,721 is written four lakh forty-two thousand seven hundred and twenty-one.
Ways to write it
- International system
- four hundred and forty-two thousand seven hundred and twenty-one
- Indian system
- four lakh forty-two thousand seven hundred and twenty-one
- As an ordinal
- four lakh forty-two thousand seven hundred and twenty-first
- Expanded form
- 4,00,000 + 40,000 + 2,000 + 700 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 4 | 4,00,000 |
| 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
- Prime
- Factors
- 1 and 4,42,721 (2 factors)
- First 10 multiples
- 4,42,721, 8,85,442, 13,28,163, 17,70,884, 22,13,605, 26,56,326, 30,99,047, 35,41,768, 39,84,489, 44,27,210
- Square
- 4,42,721 × 4,42,721 = 1,96,00,18,83,841
- Square root
- ≈ 665.37
- Sum of the digits
- 4 + 4 + 2 + 7 + 2 + 1 = 20
- Rounded to the nearest 10
- 4,42,720
- Rounded to the nearest 100
- 4,42,700
- Rounded to the nearest 1000
- 4,43,000
- Number before
- 4,42,720
- Number after
- 4,42,722
- In binary
1101100000101100001
Quick check
What number comes just after 4,42,721?
Show the answer
4,42,722
Is 4,42,721 even or odd?
Show the answer
Odd
What is 4,42,721 + 10?
Show the answer
4,42,731
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 4,42,721 in words?
4,42,721 is written "four lakh forty-two thousand seven hundred and twenty-one".
Is 4,42,721 a prime number?
Yes. 4,42,721 is a prime number: its only factors are 1 and 4,42,721.
What are the factors of 4,42,721?
The factors of 4,42,721 are 1 and 4,42,721.