842,221 in words
842,221
eight hundred forty-two thousand two hundred twenty-one
842,221 is written eight hundred forty-two thousand two hundred twenty-one.
Ways to write it
- As an ordinal
- eight hundred forty-two thousand two hundred twenty-first
- Expanded form
- 800,000 + 40,000 + 2,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 8 | 800,000 |
| 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
- Composite
- Factors
- 1, 163, 5,167 and 842,221 (4 factors)
- First 10 multiples
- 842,221, 1,684,442, 2,526,663, 3,368,884, 4,211,105, 5,053,326, 5,895,547, 6,737,768, 7,579,989, 8,422,210
- Square
- 842,221 × 842,221 = 709,336,212,841
- Square root
- ≈ 917.73
- Sum of the digits
- 8 + 4 + 2 + 2 + 2 + 1 = 19
- Rounded to the nearest 10
- 842,220
- Rounded to the nearest 100
- 842,200
- Rounded to the nearest 1000
- 842,000
- Number before
- 842,220
- Number after
- 842,222
- In binary
11001101100111101101
Quick check
What number comes just after 842,221?
Show the answer
842,222
Is 842,221 even or odd?
Show the answer
Odd
What is 842,221 + 10?
Show the answer
842,231
Practice 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 842,221 in words?
842,221 is written "eight hundred forty-two thousand two hundred twenty-one".
Is 842,221 a prime number?
No. 842,221 is a composite number, because it has more than two factors.
What are the factors of 842,221?
The factors of 842,221 are 1, 163, 5,167 and 842,221.