82,121 in words
82,121
eighty-two thousand one hundred twenty-one
82,121 is written eighty-two thousand one hundred twenty-one.
Ways to write it
- As an ordinal
- eighty-two thousand one hundred twenty-first
- Expanded form
- 80,000 + 2,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 8 | 80,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 13, 6,317 and 82,121 (4 factors)
- First 10 multiples
- 82,121, 164,242, 246,363, 328,484, 410,605, 492,726, 574,847, 656,968, 739,089, 821,210
- Square
- 82,121 × 82,121 = 6,743,858,641
- Square root
- ≈ 286.57
- Sum of the digits
- 8 + 2 + 1 + 2 + 1 = 14
- Rounded to the nearest 10
- 82,120
- Rounded to the nearest 100
- 82,100
- Rounded to the nearest 1000
- 82,000
- Number before
- 82,120
- Number after
- 82,122
- In binary
10100000011001001
Quick check
What number comes just after 82,121?
Show the answer
82,122
Is 82,121 even or odd?
Show the answer
Odd
What is 82,121 + 10?
Show the answer
82,131
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 82,121 in words?
82,121 is written "eighty-two thousand one hundred twenty-one".
Is 82,121 a prime number?
No. 82,121 is a composite number, because it has more than two factors.
What are the factors of 82,121?
The factors of 82,121 are 1, 13, 6,317 and 82,121.