42,421 in words
42,421
forty-two thousand four hundred and twenty-one
42,421 is written forty-two thousand four hundred and twenty-one.
Ways to write it
- As an ordinal
- forty-two thousand four hundred and twenty-first
- Expanded form
- 40,000 + 2,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 59, 719 and 42,421 (4 factors)
- First 10 multiples
- 42,421, 84,842, 127,263, 169,684, 212,105, 254,526, 296,947, 339,368, 381,789, 424,210
- Square
- 42,421 × 42,421 = 1,799,541,241
- Square root
- ≈ 205.96
- Sum of the digits
- 4 + 2 + 4 + 2 + 1 = 13
- Rounded to the nearest 10
- 42,420
- Rounded to the nearest 100
- 42,400
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,420
- Number after
- 42,422
- In binary
1010010110110101
Quick check
What number comes just after 42,421?
Show the answer
42,422
Is 42,421 even or odd?
Show the answer
Odd
What is 42,421 + 10?
Show the answer
42,431
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 42,421 in words?
42,421 is written "forty-two thousand four hundred and twenty-one".
Is 42,421 a prime number?
No. 42,421 is a composite number, because it has more than two factors.
What are the factors of 42,421?
The factors of 42,421 are 1, 59, 719 and 42,421.