2,40,821 in words
2,40,821
two lakh forty thousand eight hundred and twenty-one
2,40,821 is written two lakh forty thousand eight hundred and twenty-one.
Ways to write it
- International system
- two hundred and forty thousand eight hundred and twenty-one
- Indian system
- two lakh forty thousand eight hundred and twenty-one
- As an ordinal
- two lakh forty thousand eight hundred and twenty-first
- Expanded form
- 2,00,000 + 40,000 + 800 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 2 | 2,00,000 |
| ten thousands | 4 | 40,000 |
| thousands | 0 | 0 |
| hundreds | 8 | 800 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 34,403 and 2,40,821 (4 factors)
- First 10 multiples
- 2,40,821, 4,81,642, 7,22,463, 9,63,284, 12,04,105, 14,44,926, 16,85,747, 19,26,568, 21,67,389, 24,08,210
- Square
- 2,40,821 × 2,40,821 = 57,99,47,54,041
- Square root
- ≈ 490.74
- Sum of the digits
- 2 + 4 + 0 + 8 + 2 + 1 = 17
- Rounded to the nearest 10
- 2,40,820
- Rounded to the nearest 100
- 2,40,800
- Rounded to the nearest 1000
- 2,41,000
- Number before
- 2,40,820
- Number after
- 2,40,822
- In binary
111010110010110101
Quick check
What number comes just after 2,40,821?
Show the answer
2,40,822
Is 2,40,821 even or odd?
Show the answer
Odd
What is 2,40,821 + 10?
Show the answer
2,40,831
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 2,40,821 in words?
2,40,821 is written "two lakh forty thousand eight hundred and twenty-one".
Is 2,40,821 a prime number?
No. 2,40,821 is a composite number, because it has more than two factors.
What are the factors of 2,40,821?
The factors of 2,40,821 are 1, 7, 34,403 and 2,40,821.