7,42,921 in words
7,42,921
seven lakh forty-two thousand nine hundred and twenty-one
7,42,921 is written seven lakh forty-two thousand nine hundred and twenty-one.
Ways to write it
- International system
- seven hundred and forty-two thousand nine hundred and twenty-one
- Indian system
- seven lakh forty-two thousand nine hundred and twenty-one
- As an ordinal
- seven lakh forty-two thousand nine hundred and twenty-first
- Expanded form
- 7,00,000 + 40,000 + 2,000 + 900 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 7 | 7,00,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 9 | 900 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 73, 10,177 and 7,42,921 (4 factors)
- First 10 multiples
- 7,42,921, 14,85,842, 22,28,763, 29,71,684, 37,14,605, 44,57,526, 52,00,447, 59,43,368, 66,86,289, 74,29,210
- Square
- 7,42,921 × 7,42,921 = 5,51,93,16,12,241
- Square root
- ≈ 861.93
- Sum of the digits
- 7 + 4 + 2 + 9 + 2 + 1 = 25
- Rounded to the nearest 10
- 7,42,920
- Rounded to the nearest 100
- 7,42,900
- Rounded to the nearest 1000
- 7,43,000
- Number before
- 7,42,920
- Number after
- 7,42,922
- In binary
10110101011000001001
Quick check
What number comes just after 7,42,921?
Show the answer
7,42,922
Is 7,42,921 even or odd?
Show the answer
Odd
What is 7,42,921 + 10?
Show the answer
7,42,931
Practise with a game
Factors, Multiples & Primes
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Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 7,42,921 in words?
7,42,921 is written "seven lakh forty-two thousand nine hundred and twenty-one".
Is 7,42,921 a prime number?
No. 7,42,921 is a composite number, because it has more than two factors.
What are the factors of 7,42,921?
The factors of 7,42,921 are 1, 73, 10,177 and 7,42,921.