4,97,821 in words
4,97,821
four lakh ninety-seven thousand eight hundred and twenty-one
4,97,821 is written four lakh ninety-seven thousand eight hundred and twenty-one.
Ways to write it
- International system
- four hundred and ninety-seven thousand eight hundred and twenty-one
- Indian system
- four lakh ninety-seven thousand eight hundred and twenty-one
- As an ordinal
- four lakh ninety-seven thousand eight hundred and twenty-first
- Expanded form
- 4,00,000 + 90,000 + 7,000 + 800 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 4 | 4,00,000 |
| ten thousands | 9 | 90,000 |
| thousands | 7 | 7,000 |
| hundreds | 8 | 800 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 61, 8,161 and 4,97,821 (4 factors)
- First 10 multiples
- 4,97,821, 9,95,642, 14,93,463, 19,91,284, 24,89,105, 29,86,926, 34,84,747, 39,82,568, 44,80,389, 49,78,210
- Square
- 4,97,821 × 4,97,821 = 2,47,82,57,48,041
- Square root
- ≈ 705.56
- Sum of the digits
- 4 + 9 + 7 + 8 + 2 + 1 = 31
- Rounded to the nearest 10
- 4,97,820
- Rounded to the nearest 100
- 4,97,800
- Rounded to the nearest 1000
- 4,98,000
- Number before
- 4,97,820
- Number after
- 4,97,822
- In binary
1111001100010011101
Quick check
What number comes just after 4,97,821?
Show the answer
4,97,822
Is 4,97,821 even or odd?
Show the answer
Odd
What is 4,97,821 + 10?
Show the answer
4,97,831
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 4,97,821 in words?
4,97,821 is written "four lakh ninety-seven thousand eight hundred and twenty-one".
Is 4,97,821 a prime number?
No. 4,97,821 is a composite number, because it has more than two factors.
What are the factors of 4,97,821?
The factors of 4,97,821 are 1, 61, 8,161 and 4,97,821.