7,42,221 in words
7,42,221
seven lakh forty-two thousand two hundred and twenty-one
7,42,221 is written seven lakh forty-two thousand two hundred and twenty-one.
Ways to write it
- International system
- seven hundred and forty-two thousand two hundred and twenty-one
- Indian system
- seven lakh forty-two thousand two hundred and twenty-one
- As an ordinal
- seven lakh forty-two thousand two hundred and twenty-first
- Expanded form
- 7,00,000 + 40,000 + 2,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 7 | 7,00,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 82,469, 2,47,407 and 7,42,221 (6 factors)
- First 10 multiples
- 7,42,221, 14,84,442, 22,26,663, 29,68,884, 37,11,105, 44,53,326, 51,95,547, 59,37,768, 66,79,989, 74,22,210
- Square
- 7,42,221 × 7,42,221 = 5,50,89,20,12,841
- Square root
- ≈ 861.52
- Sum of the digits
- 7 + 4 + 2 + 2 + 2 + 1 = 18
- Rounded to the nearest 10
- 7,42,220
- Rounded to the nearest 100
- 7,42,200
- Rounded to the nearest 1000
- 7,42,000
- Number before
- 7,42,220
- Number after
- 7,42,222
- In binary
10110101001101001101
Quick check
What number comes just after 7,42,221?
Show the answer
7,42,222
Is 7,42,221 even or odd?
Show the answer
Odd
What is 7,42,221 + 10?
Show the answer
7,42,231
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 7,42,221 in words?
7,42,221 is written "seven lakh forty-two thousand two hundred and twenty-one".
Is 7,42,221 a prime number?
No. 7,42,221 is a composite number, because it has more than two factors.
What are the factors of 7,42,221?
The factors of 7,42,221 are 1, 3, 9, 82,469, 2,47,407 and 7,42,221.