81,742 in words
81,742
eighty-one thousand seven hundred forty-two
81,742 is written eighty-one thousand seven hundred forty-two.
Ways to write it
- As an ordinal
- eighty-one thousand seven hundred forty-second
- Expanded form
- 80,000 + 1,000 + 700 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 8 | 80,000 |
| thousands | 1 | 1,000 |
| hundreds | 7 | 700 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 23, 46, 1,777, 3,554, 40,871 and 81,742 (8 factors)
- First 10 multiples
- 81,742, 163,484, 245,226, 326,968, 408,710, 490,452, 572,194, 653,936, 735,678, 817,420
- Square
- 81,742 × 81,742 = 6,681,754,564
- Square root
- ≈ 285.91
- Sum of the digits
- 8 + 1 + 7 + 4 + 2 = 22
- Rounded to the nearest 10
- 81,740
- Rounded to the nearest 100
- 81,700
- Rounded to the nearest 1000
- 82,000
- Number before
- 81,741
- Number after
- 81,743
- In binary
10011111101001110
Quick check
What number comes just after 81,742?
Show the answer
81,743
Is 81,742 even or odd?
Show the answer
Even
What is 81,742 + 10?
Show the answer
81,752
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 81,742 in words?
81,742 is written "eighty-one thousand seven hundred forty-two".
Is 81,742 a prime number?
No. 81,742 is a composite number, because it has more than two factors.
What are the factors of 81,742?
The factors of 81,742 are 1, 2, 23, 46, 1,777, 3,554, 40,871 and 81,742.