83,121 in words
83,121
eighty-three thousand one hundred and twenty-one
83,121 is written eighty-three thousand one hundred and twenty-one.
Ways to write it
- As an ordinal
- eighty-three thousand one hundred and twenty-first
- Expanded form
- 80,000 + 3,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 8 | 80,000 |
| thousands | 3 | 3,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 103, 269, 309, 807, 27,707 and 83,121 (8 factors)
- First 10 multiples
- 83,121, 166,242, 249,363, 332,484, 415,605, 498,726, 581,847, 664,968, 748,089, 831,210
- Square
- 83,121 × 83,121 = 6,909,100,641
- Square root
- ≈ 288.31
- Sum of the digits
- 8 + 3 + 1 + 2 + 1 = 15
- Rounded to the nearest 10
- 83,120
- Rounded to the nearest 100
- 83,100
- Rounded to the nearest 1000
- 83,000
- Number before
- 83,120
- Number after
- 83,122
- In binary
10100010010110001
Quick check
What number comes just after 83,121?
Show the answer
83,122
Is 83,121 even or odd?
Show the answer
Odd
What is 83,121 + 10?
Show the answer
83,131
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 83,121 in words?
83,121 is written "eighty-three thousand one hundred and twenty-one".
Is 83,121 a prime number?
No. 83,121 is a composite number, because it has more than two factors.
What are the factors of 83,121?
The factors of 83,121 are 1, 3, 103, 269, 309, 807, 27,707 and 83,121.