42,221 in words
42,221
forty-two thousand two hundred and twenty-one
42,221 is written forty-two thousand two hundred and twenty-one.
Ways to write it
- As an ordinal
- forty-two thousand two hundred and twenty-first
- Expanded form
- 40,000 + 2,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 42,221 (2 factors)
- First 10 multiples
- 42,221, 84,442, 126,663, 168,884, 211,105, 253,326, 295,547, 337,768, 379,989, 422,210
- Square
- 42,221 × 42,221 = 1,782,612,841
- Square root
- ≈ 205.48
- Sum of the digits
- 4 + 2 + 2 + 2 + 1 = 11
- Rounded to the nearest 10
- 42,220
- Rounded to the nearest 100
- 42,200
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,220
- Number after
- 42,222
- In binary
1010010011101101
Quick check
What number comes just after 42,221?
Show the answer
42,222
Is 42,221 even or odd?
Show the answer
Odd
What is 42,221 + 10?
Show the answer
42,231
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 42,221 in words?
42,221 is written "forty-two thousand two hundred and twenty-one".
Is 42,221 a prime number?
Yes. 42,221 is a prime number: its only factors are 1 and 42,221.
What are the factors of 42,221?
The factors of 42,221 are 1 and 42,221.