42,142 in words
42,142
forty-two thousand one hundred forty-two
42,142 is written forty-two thousand one hundred forty-two.
Ways to write it
- As an ordinal
- forty-two thousand one hundred forty-second
- Expanded form
- 40,000 + 2,000 + 100 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 4 | 40,000 |
| thousands | 2 | 2,000 |
| hundreds | 1 | 100 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 19, 38, 1,109, 2,218, 21,071 and 42,142 (8 factors)
- First 10 multiples
- 42,142, 84,284, 126,426, 168,568, 210,710, 252,852, 294,994, 337,136, 379,278, 421,420
- Square
- 42,142 × 42,142 = 1,775,948,164
- Square root
- ≈ 205.29
- Sum of the digits
- 4 + 2 + 1 + 4 + 2 = 13
- Rounded to the nearest 10
- 42,140
- Rounded to the nearest 100
- 42,100
- Rounded to the nearest 1000
- 42,000
- Number before
- 42,141
- Number after
- 42,143
- In binary
1010010010011110
Quick check
What number comes just after 42,142?
Show the answer
42,143
Is 42,142 even or odd?
Show the answer
Even
What is 42,142 + 10?
Show the answer
42,152
Practice 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 42,142 in words?
42,142 is written "forty-two thousand one hundred forty-two".
Is 42,142 a prime number?
No. 42,142 is a composite number, because it has more than two factors.
What are the factors of 42,142?
The factors of 42,142 are 1, 2, 19, 38, 1,109, 2,218, 21,071 and 42,142.