13,221 in words
13,221
thirteen thousand two hundred twenty-one
13,221 is written thirteen thousand two hundred twenty-one.
Ways to write it
- As an ordinal
- thirteen thousand two hundred twenty-first
- Expanded form
- 10,000 + 3,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 3 | 3,000 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 13, 39, 113, 117, 339, 1,017, 1,469, 4,407 and 13,221 (12 factors)
- First 10 multiples
- 13,221, 26,442, 39,663, 52,884, 66,105, 79,326, 92,547, 105,768, 118,989, 132,210
- Square
- 13,221 × 13,221 = 174,794,841
- Square root
- ≈ 114.98
- Sum of the digits
- 1 + 3 + 2 + 2 + 1 = 9
- Rounded to the nearest 10
- 13,220
- Rounded to the nearest 100
- 13,200
- Rounded to the nearest 1000
- 13,000
- Number before
- 13,220
- Number after
- 13,222
- In binary
11001110100101
Quick check
What number comes just after 13,221?
Show the answer
13,222
Is 13,221 even or odd?
Show the answer
Odd
What is 13,221 + 10?
Show the answer
13,231
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 13,221 in words?
13,221 is written "thirteen thousand two hundred twenty-one".
Is 13,221 a prime number?
No. 13,221 is a composite number, because it has more than two factors.
What are the factors of 13,221?
The factors of 13,221 are 1, 3, 9, 13, 39, 113, 117, 339, 1,017, 1,469, 4,407 and 13,221.