231,081 in words
231,081
two hundred thirty-one thousand eighty-one
231,081 is written two hundred thirty-one thousand eighty-one.
Ways to write it
- As an ordinal
- two hundred thirty-one thousand eighty-first
- Expanded form
- 200,000 + 30,000 + 1,000 + 80 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 8 | 80 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 17, 23, 51, 69, 197, 391, 591, 1,173, 3,349, 4,531, 10,047, 13,593, 77,027 and 231,081 (16 factors)
- First 10 multiples
- 231,081, 462,162, 693,243, 924,324, 1,155,405, 1,386,486, 1,617,567, 1,848,648, 2,079,729, 2,310,810
- Square
- 231,081 × 231,081 = 53,398,428,561
- Square root
- ≈ 480.71
- Sum of the digits
- 2 + 3 + 1 + 0 + 8 + 1 = 15
- Rounded to the nearest 10
- 231,080
- Rounded to the nearest 100
- 231,100
- Rounded to the nearest 1000
- 231,000
- Number before
- 231,080
- Number after
- 231,082
- In binary
111000011010101001
Quick check
What number comes just after 231,081?
Show the answer
231,082
Is 231,081 even or odd?
Show the answer
Odd
What is 231,081 + 10?
Show the answer
231,091
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 231,081 in words?
231,081 is written "two hundred thirty-one thousand eighty-one".
Is 231,081 a prime number?
No. 231,081 is a composite number, because it has more than two factors.
What are the factors of 231,081?
The factors of 231,081 are 1, 3, 17, 23, 51, 69, 197, 391, 591, 1,173, 3,349, 4,531, 10,047, 13,593, 77,027 and 231,081.