47,421 in words
47,421
forty-seven thousand four hundred twenty-one
47,421 is written forty-seven thousand four hundred twenty-one.
Ways to write it
- As an ordinal
- forty-seven thousand four hundred twenty-first
- Expanded form
- 40,000 + 7,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| 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
- Composite
- Factors
- 1, 3, 9, 11, 33, 99, 479, 1,437, 4,311, 5,269, 15,807 and 47,421 (12 factors)
- First 10 multiples
- 47,421, 94,842, 142,263, 189,684, 237,105, 284,526, 331,947, 379,368, 426,789, 474,210
- Square
- 47,421 × 47,421 = 2,248,751,241
- Square root
- ≈ 217.76
- Sum of the digits
- 4 + 7 + 4 + 2 + 1 = 18
- Rounded to the nearest 10
- 47,420
- Rounded to the nearest 100
- 47,400
- Rounded to the nearest 1000
- 47,000
- Number before
- 47,420
- Number after
- 47,422
- In binary
1011100100111101
Quick check
What number comes just after 47,421?
Show the answer
47,422
Is 47,421 even or odd?
Show the answer
Odd
What is 47,421 + 10?
Show the answer
47,431
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 47,421 in words?
47,421 is written "forty-seven thousand four hundred twenty-one".
Is 47,421 a prime number?
No. 47,421 is a composite number, because it has more than two factors.
What are the factors of 47,421?
The factors of 47,421 are 1, 3, 9, 11, 33, 99, 479, 1,437, 4,311, 5,269, 15,807 and 47,421.