21,349 in words
21,349
twenty-one thousand three hundred and forty-nine
21,349 is written twenty-one thousand three hundred and forty-nine.
Ways to write it
- As an ordinal
- twenty-one thousand three hundred and forty-ninth
- Expanded form
- 20,000 + 1,000 + 300 + 40 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 4 | 40 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 37, 577 and 21,349 (4 factors)
- First 10 multiples
- 21,349, 42,698, 64,047, 85,396, 106,745, 128,094, 149,443, 170,792, 192,141, 213,490
- Square
- 21,349 × 21,349 = 455,779,801
- Square root
- ≈ 146.11
- Sum of the digits
- 2 + 1 + 3 + 4 + 9 = 19
- Rounded to the nearest 10
- 21,350
- Rounded to the nearest 100
- 21,300
- Rounded to the nearest 1000
- 21,000
- Number before
- 21,348
- Number after
- 21,350
- In binary
101001101100101
Quick check
What number comes just after 21,349?
Show the answer
21,350
Is 21,349 even or odd?
Show the answer
Odd
What is 21,349 + 10?
Show the answer
21,359
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 21,349 in words?
21,349 is written "twenty-one thousand three hundred and forty-nine".
Is 21,349 a prime number?
No. 21,349 is a composite number, because it has more than two factors.
What are the factors of 21,349?
The factors of 21,349 are 1, 37, 577 and 21,349.