6,67,921 in words
6,67,921
six lakh sixty-seven thousand nine hundred and twenty-one
6,67,921 is written six lakh sixty-seven thousand nine hundred and twenty-one.
Ways to write it
- International system
- six hundred and sixty-seven thousand nine hundred and twenty-one
- Indian system
- six lakh sixty-seven thousand nine hundred and twenty-one
- As an ordinal
- six lakh sixty-seven thousand nine hundred and twenty-first
- Expanded form
- 6,00,000 + 60,000 + 7,000 + 900 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 6 | 6,00,000 |
| ten thousands | 6 | 60,000 |
| thousands | 7 | 7,000 |
| hundreds | 9 | 900 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 6,67,921 (2 factors)
- First 10 multiples
- 6,67,921, 13,35,842, 20,03,763, 26,71,684, 33,39,605, 40,07,526, 46,75,447, 53,43,368, 60,11,289, 66,79,210
- Square
- 6,67,921 × 6,67,921 = 4,46,11,84,62,241
- Square root
- ≈ 817.26
- Sum of the digits
- 6 + 6 + 7 + 9 + 2 + 1 = 31
- Rounded to the nearest 10
- 6,67,920
- Rounded to the nearest 100
- 6,67,900
- Rounded to the nearest 1000
- 6,68,000
- Number before
- 6,67,920
- Number after
- 6,67,922
- In binary
10100011000100010001
Quick check
What number comes just after 6,67,921?
Show the answer
6,67,922
Is 6,67,921 even or odd?
Show the answer
Odd
What is 6,67,921 + 10?
Show the answer
6,67,931
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 6,67,921 in words?
6,67,921 is written "six lakh sixty-seven thousand nine hundred and twenty-one".
Is 6,67,921 a prime number?
Yes. 6,67,921 is a prime number: its only factors are 1 and 6,67,921.
What are the factors of 6,67,921?
The factors of 6,67,921 are 1 and 6,67,921.