43,021 in words
43,021
forty-three thousand and twenty-one
43,021 is written forty-three thousand and twenty-one.
Ways to write it
- As an ordinal
- forty-three thousand and twenty-first
- Expanded form
- 40,000 + 3,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 3 | 3,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 11, 3,911 and 43,021 (4 factors)
- First 10 multiples
- 43,021, 86,042, 129,063, 172,084, 215,105, 258,126, 301,147, 344,168, 387,189, 430,210
- Square
- 43,021 × 43,021 = 1,850,806,441
- Square root
- ≈ 207.42
- Sum of the digits
- 4 + 3 + 0 + 2 + 1 = 10
- Rounded to the nearest 10
- 43,020
- Rounded to the nearest 100
- 43,000
- Rounded to the nearest 1000
- 43,000
- Number before
- 43,020
- Number after
- 43,022
- In binary
1010100000001101
Quick check
What number comes just after 43,021?
Show the answer
43,022
Is 43,021 even or odd?
Show the answer
Odd
What is 43,021 + 10?
Show the answer
43,031
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 43,021 in words?
43,021 is written "forty-three thousand and twenty-one".
Is 43,021 a prime number?
No. 43,021 is a composite number, because it has more than two factors.
What are the factors of 43,021?
The factors of 43,021 are 1, 11, 3,911 and 43,021.