1,21,321 in words
1,21,321
one lakh twenty-one thousand three hundred and twenty-one
1,21,321 is written one lakh twenty-one thousand three hundred and twenty-one.
Ways to write it
- International system
- one hundred and twenty-one thousand three hundred and twenty-one
- Indian system
- one lakh twenty-one thousand three hundred and twenty-one
- As an ordinal
- one lakh twenty-one thousand three hundred and twenty-first
- Expanded form
- 1,00,000 + 20,000 + 1,000 + 300 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 1 | 1,00,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 1,21,321 (2 factors)
- First 10 multiples
- 1,21,321, 2,42,642, 3,63,963, 4,85,284, 6,06,605, 7,27,926, 8,49,247, 9,70,568, 10,91,889, 12,13,210
- Square
- 1,21,321 × 1,21,321 = 14,71,87,85,041
- Square root
- ≈ 348.31
- Sum of the digits
- 1 + 2 + 1 + 3 + 2 + 1 = 10
- Rounded to the nearest 10
- 1,21,320
- Rounded to the nearest 100
- 1,21,300
- Rounded to the nearest 1000
- 1,21,000
- Number before
- 1,21,320
- Number after
- 1,21,322
- In binary
11101100111101001
Quick check
What number comes just after 1,21,321?
Show the answer
1,21,322
Is 1,21,321 even or odd?
Show the answer
Odd
What is 1,21,321 + 10?
Show the answer
1,21,331
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 1,21,321 in words?
1,21,321 is written "one lakh twenty-one thousand three hundred and twenty-one".
Is 1,21,321 a prime number?
Yes. 1,21,321 is a prime number: its only factors are 1 and 1,21,321.
What are the factors of 1,21,321?
The factors of 1,21,321 are 1 and 1,21,321.