20,142 in words
20,142
twenty thousand one hundred and forty-two
20,142 is written twenty thousand one hundred and forty-two.
Ways to write it
- As an ordinal
- twenty thousand one hundred and forty-second
- Expanded form
- 20,000 + 100 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 1 | 100 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 6, 9, 18, 27, 54, 373, 746, 1,119, 2,238, 3,357, 6,714, 10,071 and 20,142 (16 factors)
- First 10 multiples
- 20,142, 40,284, 60,426, 80,568, 100,710, 120,852, 140,994, 161,136, 181,278, 201,420
- Square
- 20,142 × 20,142 = 405,700,164
- Square root
- ≈ 141.92
- Sum of the digits
- 2 + 0 + 1 + 4 + 2 = 9
- Rounded to the nearest 10
- 20,140
- Rounded to the nearest 100
- 20,100
- Rounded to the nearest 1000
- 20,000
- Number before
- 20,141
- Number after
- 20,143
- In binary
100111010101110
Quick check
What number comes just after 20,142?
Show the answer
20,143
Is 20,142 even or odd?
Show the answer
Even
What is 20,142 + 10?
Show the answer
20,152
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 20,142 in words?
20,142 is written "twenty thousand one hundred and forty-two".
Is 20,142 a prime number?
No. 20,142 is a composite number, because it has more than two factors.
What are the factors of 20,142?
The factors of 20,142 are 1, 2, 3, 6, 9, 18, 27, 54, 373, 746, 1,119, 2,238, 3,357, 6,714, 10,071 and 20,142.