242,721 in words
242,721
two hundred and forty-two thousand seven hundred and twenty-one
242,721 is written two hundred and forty-two thousand seven hundred and twenty-one.
Ways to write it
- As an ordinal
- two hundred and forty-two thousand seven hundred and twenty-first
- Expanded form
- 200,000 + 40,000 + 2,000 + 700 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 149, 181, 447, 543, 1,341, 1,629, 26,969, 80,907 and 242,721 (12 factors)
- First 10 multiples
- 242,721, 485,442, 728,163, 970,884, 1,213,605, 1,456,326, 1,699,047, 1,941,768, 2,184,489, 2,427,210
- Square
- 242,721 × 242,721 = 58,913,483,841
- Square root
- ≈ 492.67
- Sum of the digits
- 2 + 4 + 2 + 7 + 2 + 1 = 18
- Rounded to the nearest 10
- 242,720
- Rounded to the nearest 100
- 242,700
- Rounded to the nearest 1000
- 243,000
- Number before
- 242,720
- Number after
- 242,722
- In binary
111011010000100001
Quick check
What number comes just after 242,721?
Show the answer
242,722
Is 242,721 even or odd?
Show the answer
Odd
What is 242,721 + 10?
Show the answer
242,731
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 242,721 in words?
242,721 is written "two hundred and forty-two thousand seven hundred and twenty-one".
Is 242,721 a prime number?
No. 242,721 is a composite number, because it has more than two factors.
What are the factors of 242,721?
The factors of 242,721 are 1, 3, 9, 149, 181, 447, 543, 1,341, 1,629, 26,969, 80,907 and 242,721.