31,642 in words
31,642
thirty-one thousand six hundred forty-two
31,642 is written thirty-one thousand six hundred forty-two.
Ways to write it
- As an ordinal
- thirty-one thousand six hundred forty-second
- Expanded form
- 30,000 + 1,000 + 600 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 6 | 600 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 13, 26, 1,217, 2,434, 15,821 and 31,642 (8 factors)
- First 10 multiples
- 31,642, 63,284, 94,926, 126,568, 158,210, 189,852, 221,494, 253,136, 284,778, 316,420
- Square
- 31,642 × 31,642 = 1,001,216,164
- Square root
- ≈ 177.88
- Sum of the digits
- 3 + 1 + 6 + 4 + 2 = 16
- Rounded to the nearest 10
- 31,640
- Rounded to the nearest 100
- 31,600
- Rounded to the nearest 1000
- 32,000
- Number before
- 31,641
- Number after
- 31,643
- In binary
111101110011010
Quick check
What number comes just after 31,642?
Show the answer
31,643
Is 31,642 even or odd?
Show the answer
Even
What is 31,642 + 10?
Show the answer
31,652
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 31,642 in words?
31,642 is written "thirty-one thousand six hundred forty-two".
Is 31,642 a prime number?
No. 31,642 is a composite number, because it has more than two factors.
What are the factors of 31,642?
The factors of 31,642 are 1, 2, 13, 26, 1,217, 2,434, 15,821 and 31,642.