7,20,221 in words
7,20,221
seven lakh twenty thousand two hundred and twenty-one
7,20,221 is written seven lakh twenty thousand two hundred and twenty-one.
Ways to write it
- International system
- seven hundred and twenty thousand two hundred and twenty-one
- Indian system
- seven lakh twenty thousand two hundred and twenty-one
- As an ordinal
- seven lakh twenty thousand two hundred and twenty-first
- Expanded form
- 7,00,000 + 20,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 7 | 7,00,000 |
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 7,20,221 (2 factors)
- First 10 multiples
- 7,20,221, 14,40,442, 21,60,663, 28,80,884, 36,01,105, 43,21,326, 50,41,547, 57,61,768, 64,81,989, 72,02,210
- Square
- 7,20,221 × 7,20,221 = 5,18,71,82,88,841
- Square root
- ≈ 848.66
- Sum of the digits
- 7 + 2 + 0 + 2 + 2 + 1 = 14
- Rounded to the nearest 10
- 7,20,220
- Rounded to the nearest 100
- 7,20,200
- Rounded to the nearest 1000
- 7,20,000
- Number before
- 7,20,220
- Number after
- 7,20,222
- In binary
10101111110101011101
Quick check
What number comes just after 7,20,221?
Show the answer
7,20,222
Is 7,20,221 even or odd?
Show the answer
Odd
What is 7,20,221 + 10?
Show the answer
7,20,231
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 7,20,221 in words?
7,20,221 is written "seven lakh twenty thousand two hundred and twenty-one".
Is 7,20,221 a prime number?
Yes. 7,20,221 is a prime number: its only factors are 1 and 7,20,221.
What are the factors of 7,20,221?
The factors of 7,20,221 are 1 and 7,20,221.