3,21,120 in words
3,21,120
three lakh twenty-one thousand one hundred and twenty
3,21,120 is written three lakh twenty-one thousand one hundred and twenty.
Ways to write it
- International system
- three hundred and twenty-one thousand one hundred and twenty
- Indian system
- three lakh twenty-one thousand one hundred and twenty
- As an ordinal
- three lakh twenty-one thousand one hundred and twentieth
- Expanded form
- 3,00,000 + 20,000 + 1,000 + 100 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| lakhs | 3 | 3,00,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 72 factors: too many to list
- First 10 multiples
- 3,21,120, 6,42,240, 9,63,360, 12,84,480, 16,05,600, 19,26,720, 22,47,840, 25,68,960, 28,90,080, 32,11,200
- Square
- 3,21,120 × 3,21,120 = 1,03,11,80,54,400
- Square root
- ≈ 566.67
- Sum of the digits
- 3 + 2 + 1 + 1 + 2 + 0 = 9
- Rounded to the nearest 10
- 3,21,120
- Rounded to the nearest 100
- 3,21,100
- Rounded to the nearest 1000
- 3,21,000
- Number before
- 3,21,119
- Number after
- 3,21,121
- In binary
1001110011001100000
Quick check
What number comes just after 3,21,120?
Show the answer
3,21,121
Is 3,21,120 even or odd?
Show the answer
Even
What is 3,21,120 + 10?
Show the answer
3,21,130
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 3,21,120 in words?
3,21,120 is written "three lakh twenty-one thousand one hundred and twenty".
Is 3,21,120 a prime number?
No. 3,21,120 is a composite number, because it has more than two factors.