82,421 in words
82,421
eighty-two thousand four hundred twenty-one
82,421 is written eighty-two thousand four hundred twenty-one.
Ways to write it
- As an ordinal
- eighty-two thousand four hundred twenty-first
- Expanded form
- 80,000 + 2,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 8 | 80,000 |
| thousands | 2 | 2,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 82,421 (2 factors)
- First 10 multiples
- 82,421, 164,842, 247,263, 329,684, 412,105, 494,526, 576,947, 659,368, 741,789, 824,210
- Square
- 82,421 × 82,421 = 6,793,221,241
- Square root
- ≈ 287.09
- Sum of the digits
- 8 + 2 + 4 + 2 + 1 = 17
- Rounded to the nearest 10
- 82,420
- Rounded to the nearest 100
- 82,400
- Rounded to the nearest 1000
- 82,000
- Number before
- 82,420
- Number after
- 82,422
- In binary
10100000111110101
Quick check
What number comes just after 82,421?
Show the answer
82,422
Is 82,421 even or odd?
Show the answer
Odd
What is 82,421 + 10?
Show the answer
82,431
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 82,421 in words?
82,421 is written "eighty-two thousand four hundred twenty-one".
Is 82,421 a prime number?
Yes. 82,421 is a prime number: its only factors are 1 and 82,421.
What are the factors of 82,421?
The factors of 82,421 are 1 and 82,421.