8,642 in words
8,642
eight thousand six hundred and forty-two
8,642 is written eight thousand six hundred and forty-two.
Ways to write it
- As an ordinal
- eight thousand six hundred and forty-second
- Expanded form
- 8,000 + 600 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 8 | 8,000 |
| hundreds | 6 | 600 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 29, 58, 149, 298, 4,321 and 8,642 (8 factors)
- First 10 multiples
- 8,642, 17,284, 25,926, 34,568, 43,210, 51,852, 60,494, 69,136, 77,778, 86,420
- Square
- 8,642 × 8,642 = 74,684,164
- Square root
- ≈ 92.96
- Sum of the digits
- 8 + 6 + 4 + 2 = 20
- Rounded to the nearest 10
- 8,640
- Rounded to the nearest 100
- 8,600
- Rounded to the nearest 1000
- 9,000
- Number before
- 8,641
- Number after
- 8,643
- In binary
10000111000010
Quick check
What number comes just after 8,642?
Show the answer
8,643
Is 8,642 even or odd?
Show the answer
Even
What is 8,642 + 10?
Show the answer
8,652
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 8,642 in words?
8,642 is written "eight thousand six hundred and forty-two".
Is 8,642 a prime number?
No. 8,642 is a composite number, because it has more than two factors.
What are the factors of 8,642?
The factors of 8,642 are 1, 2, 29, 58, 149, 298, 4,321 and 8,642.