143,021 in words
143,021
one hundred and forty-three thousand and twenty-one
143,021 is written one hundred and forty-three thousand and twenty-one.
Ways to write it
- As an ordinal
- one hundred and forty-three thousand and twenty-first
- Expanded form
- 100,000 + 40,000 + 3,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 4 | 40,000 |
| thousands | 3 | 3,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 17, 47, 179, 799, 3,043, 8,413 and 143,021 (8 factors)
- First 10 multiples
- 143,021, 286,042, 429,063, 572,084, 715,105, 858,126, 1,001,147, 1,144,168, 1,287,189, 1,430,210
- Square
- 143,021 × 143,021 = 20,455,006,441
- Square root
- ≈ 378.18
- Sum of the digits
- 1 + 4 + 3 + 0 + 2 + 1 = 11
- Rounded to the nearest 10
- 143,020
- Rounded to the nearest 100
- 143,000
- Rounded to the nearest 1000
- 143,000
- Number before
- 143,020
- Number after
- 143,022
- In binary
100010111010101101
Quick check
What number comes just after 143,021?
Show the answer
143,022
Is 143,021 even or odd?
Show the answer
Odd
What is 143,021 + 10?
Show the answer
143,031
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 143,021 in words?
143,021 is written "one hundred and forty-three thousand and twenty-one".
Is 143,021 a prime number?
No. 143,021 is a composite number, because it has more than two factors.
What are the factors of 143,021?
The factors of 143,021 are 1, 17, 47, 179, 799, 3,043, 8,413 and 143,021.