23,021 in words
23,021
twenty-three thousand and twenty-one
23,021 is written twenty-three thousand and twenty-one.
Ways to write it
- As an ordinal
- twenty-three thousand and twenty-first
- Expanded form
- 20,000 + 3,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 3 | 3,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 23,021 (2 factors)
- First 10 multiples
- 23,021, 46,042, 69,063, 92,084, 115,105, 138,126, 161,147, 184,168, 207,189, 230,210
- Square
- 23,021 × 23,021 = 529,966,441
- Square root
- ≈ 151.73
- Sum of the digits
- 2 + 3 + 0 + 2 + 1 = 8
- Rounded to the nearest 10
- 23,020
- Rounded to the nearest 100
- 23,000
- Rounded to the nearest 1000
- 23,000
- Number before
- 23,020
- Number after
- 23,022
- In binary
101100111101101
Quick check
What number comes just after 23,021?
Show the answer
23,022
Is 23,021 even or odd?
Show the answer
Odd
What is 23,021 + 10?
Show the answer
23,031
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 23,021 in words?
23,021 is written "twenty-three thousand and twenty-one".
Is 23,021 a prime number?
Yes. 23,021 is a prime number: its only factors are 1 and 23,021.
What are the factors of 23,021?
The factors of 23,021 are 1 and 23,021.