24,021 in words
24,021
twenty-four thousand and twenty-one
24,021 is written twenty-four thousand and twenty-one.
Ways to write it
- As an ordinal
- twenty-four thousand and twenty-first
- Expanded form
- 20,000 + 4,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 4 | 4,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 17, 51, 153, 157, 471, 1,413, 2,669, 8,007 and 24,021 (12 factors)
- First 10 multiples
- 24,021, 48,042, 72,063, 96,084, 120,105, 144,126, 168,147, 192,168, 216,189, 240,210
- Square
- 24,021 × 24,021 = 577,008,441
- Square root
- ≈ 154.99
- Sum of the digits
- 2 + 4 + 0 + 2 + 1 = 9
- Rounded to the nearest 10
- 24,020
- Rounded to the nearest 100
- 24,000
- Rounded to the nearest 1000
- 24,000
- Number before
- 24,020
- Number after
- 24,022
- In binary
101110111010101
Quick check
What number comes just after 24,021?
Show the answer
24,022
Is 24,021 even or odd?
Show the answer
Odd
What is 24,021 + 10?
Show the answer
24,031
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 24,021 in words?
24,021 is written "twenty-four thousand and twenty-one".
Is 24,021 a prime number?
No. 24,021 is a composite number, because it has more than two factors.
What are the factors of 24,021?
The factors of 24,021 are 1, 3, 9, 17, 51, 153, 157, 471, 1,413, 2,669, 8,007 and 24,021.