1,67,721 in words
1,67,721
one lakh sixty-seven thousand seven hundred and twenty-one
1,67,721 is written one lakh sixty-seven thousand seven hundred and twenty-one.
Ways to write it
- International system
- one hundred and sixty-seven thousand seven hundred and twenty-one
- Indian system
- one lakh sixty-seven thousand seven hundred and twenty-one
- As an ordinal
- one lakh sixty-seven thousand seven hundred and twenty-first
- Expanded form
- 1,00,000 + 60,000 + 7,000 + 700 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 1 | 1,00,000 |
| ten thousands | 6 | 60,000 |
| thousands | 7 | 7,000 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 37, 111, 1,511, 4,533, 55,907 and 1,67,721 (8 factors)
- First 10 multiples
- 1,67,721, 3,35,442, 5,03,163, 6,70,884, 8,38,605, 10,06,326, 11,74,047, 13,41,768, 15,09,489, 16,77,210
- Square
- 1,67,721 × 1,67,721 = 28,13,03,33,841
- Square root
- ≈ 409.54
- Sum of the digits
- 1 + 6 + 7 + 7 + 2 + 1 = 24
- Rounded to the nearest 10
- 1,67,720
- Rounded to the nearest 100
- 1,67,700
- Rounded to the nearest 1000
- 1,68,000
- Number before
- 1,67,720
- Number after
- 1,67,722
- In binary
101000111100101001
Quick check
What number comes just after 1,67,721?
Show the answer
1,67,722
Is 1,67,721 even or odd?
Show the answer
Odd
What is 1,67,721 + 10?
Show the answer
1,67,731
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 1,67,721 in words?
1,67,721 is written "one lakh sixty-seven thousand seven hundred and twenty-one".
Is 1,67,721 a prime number?
No. 1,67,721 is a composite number, because it has more than two factors.
What are the factors of 1,67,721?
The factors of 1,67,721 are 1, 3, 37, 111, 1,511, 4,533, 55,907 and 1,67,721.