40,221 in words
40,221
forty thousand two hundred and twenty-one
40,221 is written forty thousand two hundred and twenty-one.
Ways to write it
- As an ordinal
- forty thousand two hundred and twenty-first
- Expanded form
- 40,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 0 | 0 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 41, 109, 123, 327, 369, 981, 4,469, 13,407 and 40,221 (12 factors)
- First 10 multiples
- 40,221, 80,442, 120,663, 160,884, 201,105, 241,326, 281,547, 321,768, 361,989, 402,210
- Square
- 40,221 × 40,221 = 1,617,728,841
- Square root
- ≈ 200.55
- Sum of the digits
- 4 + 0 + 2 + 2 + 1 = 9
- Rounded to the nearest 10
- 40,220
- Rounded to the nearest 100
- 40,200
- Rounded to the nearest 1000
- 40,000
- Number before
- 40,220
- Number after
- 40,222
- In binary
1001110100011101
Quick check
What number comes just after 40,221?
Show the answer
40,222
Is 40,221 even or odd?
Show the answer
Odd
What is 40,221 + 10?
Show the answer
40,231
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 40,221 in words?
40,221 is written "forty thousand two hundred and twenty-one".
Is 40,221 a prime number?
No. 40,221 is a composite number, because it has more than two factors.
What are the factors of 40,221?
The factors of 40,221 are 1, 3, 9, 41, 109, 123, 327, 369, 981, 4,469, 13,407 and 40,221.