3,321 in words
3,321
three thousand three hundred and twenty-one
3,321 is written three thousand three hundred and twenty-one.
Ways to write it
- As an ordinal
- three thousand three hundred and twenty-first
- Roman numeral
- MMMCCCXXI
- Expanded form
- 3,000 + 300 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 3 | 3,000 |
| hundreds | 3 | 300 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 27, 41, 81, 123, 369, 1,107 and 3,321 (10 factors)
- First 10 multiples
- 3,321, 6,642, 9,963, 13,284, 16,605, 19,926, 23,247, 26,568, 29,889, 33,210
- Square
- 3,321 × 3,321 = 11,029,041
- Square root
- ≈ 57.63
- Sum of the digits
- 3 + 3 + 2 + 1 = 9
- Rounded to the nearest 10
- 3,320
- Rounded to the nearest 100
- 3,300
- Rounded to the nearest 1000
- 3,000
- Number before
- 3,320
- Number after
- 3,322
- In binary
110011111001
Quick check
What number comes just after 3,321?
Show the answer
3,322
Is 3,321 even or odd?
Show the answer
Odd
What is 3,321 + 10?
Show the answer
3,331
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 3,321 in words?
3,321 is written "three thousand three hundred and twenty-one".
Is 3,321 a prime number?
No. 3,321 is a composite number, because it has more than two factors.
What are the factors of 3,321?
The factors of 3,321 are 1, 3, 9, 27, 41, 81, 123, 369, 1,107 and 3,321.
How do you write 3,321 in Roman numerals?
3,321 in Roman numerals is MMMCCCXXI.