8,31,421 in words
8,31,421
eight lakh thirty-one thousand four hundred and twenty-one
8,31,421 is written eight lakh thirty-one thousand four hundred and twenty-one.
Ways to write it
- International system
- eight hundred and thirty-one thousand four hundred and twenty-one
- Indian system
- eight lakh thirty-one thousand four hundred and twenty-one
- As an ordinal
- eight lakh thirty-one thousand four hundred and twenty-first
- Expanded form
- 8,00,000 + 30,000 + 1,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 8 | 8,00,000 |
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 19, 43,759 and 8,31,421 (4 factors)
- First 10 multiples
- 8,31,421, 16,62,842, 24,94,263, 33,25,684, 41,57,105, 49,88,526, 58,19,947, 66,51,368, 74,82,789, 83,14,210
- Square
- 8,31,421 × 8,31,421 = 6,91,26,08,79,241
- Square root
- ≈ 911.82
- Sum of the digits
- 8 + 3 + 1 + 4 + 2 + 1 = 19
- Rounded to the nearest 10
- 8,31,420
- Rounded to the nearest 100
- 8,31,400
- Rounded to the nearest 1000
- 8,31,000
- Number before
- 8,31,420
- Number after
- 8,31,422
- In binary
11001010111110111101
Quick check
What number comes just after 8,31,421?
Show the answer
8,31,422
Is 8,31,421 even or odd?
Show the answer
Odd
What is 8,31,421 + 10?
Show the answer
8,31,431
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 8,31,421 in words?
8,31,421 is written "eight lakh thirty-one thousand four hundred and twenty-one".
Is 8,31,421 a prime number?
No. 8,31,421 is a composite number, because it has more than two factors.
What are the factors of 8,31,421?
The factors of 8,31,421 are 1, 19, 43,759 and 8,31,421.