20,829 in words
20,829
twenty thousand eight hundred twenty-nine
20,829 is written twenty thousand eight hundred twenty-nine.
Ways to write it
- As an ordinal
- twenty thousand eight hundred twenty-ninth
- Expanded form
- 20,000 + 800 + 20 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 8 | 800 |
| tens | 2 | 20 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 53, 131, 159, 393, 6,943 and 20,829 (8 factors)
- First 10 multiples
- 20,829, 41,658, 62,487, 83,316, 104,145, 124,974, 145,803, 166,632, 187,461, 208,290
- Square
- 20,829 × 20,829 = 433,847,241
- Square root
- ≈ 144.32
- Sum of the digits
- 2 + 0 + 8 + 2 + 9 = 21
- Rounded to the nearest 10
- 20,830
- Rounded to the nearest 100
- 20,800
- Rounded to the nearest 1000
- 21,000
- Number before
- 20,828
- Number after
- 20,830
- In binary
101000101011101
Quick check
What number comes just after 20,829?
Show the answer
20,830
Is 20,829 even or odd?
Show the answer
Odd
What is 20,829 + 10?
Show the answer
20,839
Practice 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 20,829 in words?
20,829 is written "twenty thousand eight hundred twenty-nine".
Is 20,829 a prime number?
No. 20,829 is a composite number, because it has more than two factors.
What are the factors of 20,829?
The factors of 20,829 are 1, 3, 53, 131, 159, 393, 6,943 and 20,829.