20,143 in words
20,143
twenty thousand one hundred forty-three
20,143 is written twenty thousand one hundred forty-three.
Ways to write it
- As an ordinal
- twenty thousand one hundred forty-third
- Expanded form
- 20,000 + 100 + 40 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 1 | 100 |
| tens | 4 | 40 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 20,143 (2 factors)
- First 10 multiples
- 20,143, 40,286, 60,429, 80,572, 100,715, 120,858, 141,001, 161,144, 181,287, 201,430
- Square
- 20,143 × 20,143 = 405,740,449
- Square root
- ≈ 141.93
- Sum of the digits
- 2 + 0 + 1 + 4 + 3 = 10
- Rounded to the nearest 10
- 20,140
- Rounded to the nearest 100
- 20,100
- Rounded to the nearest 1000
- 20,000
- Number before
- 20,142
- Number after
- 20,144
- In binary
100111010101111
Quick check
What number comes just after 20,143?
Show the answer
20,144
Is 20,143 even or odd?
Show the answer
Odd
What is 20,143 + 10?
Show the answer
20,153
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 20,143 in words?
20,143 is written "twenty thousand one hundred forty-three".
Is 20,143 a prime number?
Yes. 20,143 is a prime number: its only factors are 1 and 20,143.
What are the factors of 20,143?
The factors of 20,143 are 1 and 20,143.