397,021 in words
397,021
three hundred and ninety-seven thousand and twenty-one
397,021 is written three hundred and ninety-seven thousand and twenty-one.
Ways to write it
- As an ordinal
- three hundred and ninety-seven thousand and twenty-first
- Expanded form
- 300,000 + 90,000 + 7,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 9 | 90,000 |
| thousands | 7 | 7,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 97, 4,093 and 397,021 (4 factors)
- First 10 multiples
- 397,021, 794,042, 1,191,063, 1,588,084, 1,985,105, 2,382,126, 2,779,147, 3,176,168, 3,573,189, 3,970,210
- Square
- 397,021 × 397,021 = 157,625,674,441
- Square root
- ≈ 630.10
- Sum of the digits
- 3 + 9 + 7 + 0 + 2 + 1 = 22
- Rounded to the nearest 10
- 397,020
- Rounded to the nearest 100
- 397,000
- Rounded to the nearest 1000
- 397,000
- Number before
- 397,020
- Number after
- 397,022
- In binary
1100000111011011101
Quick check
What number comes just after 397,021?
Show the answer
397,022
Is 397,021 even or odd?
Show the answer
Odd
What is 397,021 + 10?
Show the answer
397,031
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 397,021 in words?
397,021 is written "three hundred and ninety-seven thousand and twenty-one".
Is 397,021 a prime number?
No. 397,021 is a composite number, because it has more than two factors.
What are the factors of 397,021?
The factors of 397,021 are 1, 97, 4,093 and 397,021.