20,823 in words
20,823
twenty thousand eight hundred twenty-three
20,823 is written twenty thousand eight hundred twenty-three.
Ways to write it
- As an ordinal
- twenty thousand eight hundred twenty-third
- Expanded form
- 20,000 + 800 + 20 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 8 | 800 |
| tens | 2 | 20 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 11, 33, 631, 1,893, 6,941 and 20,823 (8 factors)
- First 10 multiples
- 20,823, 41,646, 62,469, 83,292, 104,115, 124,938, 145,761, 166,584, 187,407, 208,230
- Square
- 20,823 × 20,823 = 433,597,329
- Square root
- ≈ 144.30
- Sum of the digits
- 2 + 0 + 8 + 2 + 3 = 15
- Rounded to the nearest 10
- 20,820
- Rounded to the nearest 100
- 20,800
- Rounded to the nearest 1000
- 21,000
- Number before
- 20,822
- Number after
- 20,824
- In binary
101000101010111
Quick check
What number comes just after 20,823?
Show the answer
20,824
Is 20,823 even or odd?
Show the answer
Odd
What is 20,823 + 10?
Show the answer
20,833
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 20,823 in words?
20,823 is written "twenty thousand eight hundred twenty-three".
Is 20,823 a prime number?
No. 20,823 is a composite number, because it has more than two factors.
What are the factors of 20,823?
The factors of 20,823 are 1, 3, 11, 33, 631, 1,893, 6,941 and 20,823.