243,021 in words
243,021
two hundred and forty-three thousand and twenty-one
243,021 is written two hundred and forty-three thousand and twenty-one.
Ways to write it
- As an ordinal
- two hundred and forty-three thousand and twenty-first
- Expanded form
- 200,000 + 40,000 + 3,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| 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, 3, 59, 177, 1,373, 4,119, 81,007 and 243,021 (8 factors)
- First 10 multiples
- 243,021, 486,042, 729,063, 972,084, 1,215,105, 1,458,126, 1,701,147, 1,944,168, 2,187,189, 2,430,210
- Square
- 243,021 × 243,021 = 59,059,206,441
- Square root
- ≈ 492.97
- Sum of the digits
- 2 + 4 + 3 + 0 + 2 + 1 = 12
- Rounded to the nearest 10
- 243,020
- Rounded to the nearest 100
- 243,000
- Rounded to the nearest 1000
- 243,000
- Number before
- 243,020
- Number after
- 243,022
- In binary
111011010101001101
Quick check
What number comes just after 243,021?
Show the answer
243,022
Is 243,021 even or odd?
Show the answer
Odd
What is 243,021 + 10?
Show the answer
243,031
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
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How do you write 243,021 in words?
243,021 is written "two hundred and forty-three thousand and twenty-one".
Is 243,021 a prime number?
No. 243,021 is a composite number, because it has more than two factors.
What are the factors of 243,021?
The factors of 243,021 are 1, 3, 59, 177, 1,373, 4,119, 81,007 and 243,021.