7,20,421 in words
7,20,421
seven lakh twenty thousand four hundred and twenty-one
7,20,421 is written seven lakh twenty thousand four hundred and twenty-one.
Ways to write it
- International system
- seven hundred and twenty thousand four hundred and twenty-one
- Indian system
- seven lakh twenty thousand four hundred and twenty-one
- As an ordinal
- seven lakh twenty thousand four hundred and twenty-first
- Expanded form
- 7,00,000 + 20,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 7 | 7,00,000 |
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 13, 151, 367, 1,963, 4,771, 55,417 and 7,20,421 (8 factors)
- First 10 multiples
- 7,20,421, 14,40,842, 21,61,263, 28,81,684, 36,02,105, 43,22,526, 50,42,947, 57,63,368, 64,83,789, 72,04,210
- Square
- 7,20,421 × 7,20,421 = 5,19,00,64,17,241
- Square root
- ≈ 848.78
- Sum of the digits
- 7 + 2 + 0 + 4 + 2 + 1 = 16
- Rounded to the nearest 10
- 7,20,420
- Rounded to the nearest 100
- 7,20,400
- Rounded to the nearest 1000
- 7,20,000
- Number before
- 7,20,420
- Number after
- 7,20,422
- In binary
10101111111000100101
Quick check
What number comes just after 7,20,421?
Show the answer
7,20,422
Is 7,20,421 even or odd?
Show the answer
Odd
What is 7,20,421 + 10?
Show the answer
7,20,431
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 7,20,421 in words?
7,20,421 is written "seven lakh twenty thousand four hundred and twenty-one".
Is 7,20,421 a prime number?
No. 7,20,421 is a composite number, because it has more than two factors.
What are the factors of 7,20,421?
The factors of 7,20,421 are 1, 13, 151, 367, 1,963, 4,771, 55,417 and 7,20,421.