321,998 in words
321,998
three hundred and twenty-one thousand nine hundred and ninety-eight
321,998 is written three hundred and twenty-one thousand nine hundred and ninety-eight.
Ways to write it
- As an ordinal
- three hundred and twenty-one thousand nine hundred and ninety-eighth
- Expanded form
- 300,000 + 20,000 + 1,000 + 900 + 90 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 3 | 300,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 9 | 900 |
| tens | 9 | 90 |
| ones | 8 | 8 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 131, 262, 1,229, 2,458, 160,999 and 321,998 (8 factors)
- First 10 multiples
- 321,998, 643,996, 965,994, 1,287,992, 1,609,990, 1,931,988, 2,253,986, 2,575,984, 2,897,982, 3,219,980
- Square
- 321,998 × 321,998 = 103,682,712,004
- Square root
- ≈ 567.45
- Sum of the digits
- 3 + 2 + 1 + 9 + 9 + 8 = 32
- Rounded to the nearest 10
- 322,000
- Rounded to the nearest 100
- 322,000
- Rounded to the nearest 1000
- 322,000
- Number before
- 321,997
- Number after
- 321,999
- In binary
1001110100111001110
Quick check
What number comes just after 321,998?
Show the answer
321,999
Is 321,998 even or odd?
Show the answer
Even
What is 321,998 + 10?
Show the answer
322,008
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 321,998 in words?
321,998 is written "three hundred and twenty-one thousand nine hundred and ninety-eight".
Is 321,998 a prime number?
No. 321,998 is a composite number, because it has more than two factors.
What are the factors of 321,998?
The factors of 321,998 are 1, 2, 131, 262, 1,229, 2,458, 160,999 and 321,998.