247,421 in words
247,421
two hundred forty-seven thousand four hundred twenty-one
247,421 is written two hundred forty-seven thousand four hundred twenty-one.
Ways to write it
- As an ordinal
- two hundred forty-seven thousand four hundred twenty-first
- Expanded form
- 200,000 + 40,000 + 7,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| ten thousands | 4 | 40,000 |
| thousands | 7 | 7,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 247,421 (2 factors)
- First 10 multiples
- 247,421, 494,842, 742,263, 989,684, 1,237,105, 1,484,526, 1,731,947, 1,979,368, 2,226,789, 2,474,210
- Square
- 247,421 × 247,421 = 61,217,151,241
- Square root
- ≈ 497.41
- Sum of the digits
- 2 + 4 + 7 + 4 + 2 + 1 = 20
- Rounded to the nearest 10
- 247,420
- Rounded to the nearest 100
- 247,400
- Rounded to the nearest 1000
- 247,000
- Number before
- 247,420
- Number after
- 247,422
- In binary
111100011001111101
Quick check
What number comes just after 247,421?
Show the answer
247,422
Is 247,421 even or odd?
Show the answer
Odd
What is 247,421 + 10?
Show the answer
247,431
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 247,421 in words?
247,421 is written "two hundred forty-seven thousand four hundred twenty-one".
Is 247,421 a prime number?
Yes. 247,421 is a prime number: its only factors are 1 and 247,421.
What are the factors of 247,421?
The factors of 247,421 are 1 and 247,421.