9,989 in words
9,989
nine thousand nine hundred and eighty-nine
9,989 is written nine thousand nine hundred and eighty-nine.
Ways to write it
- As an ordinal
- nine thousand nine hundred and eighty-ninth
- Expanded form
- 9,000 + 900 + 80 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 9 | 9,000 |
| hundreds | 9 | 900 |
| tens | 8 | 80 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 1,427 and 9,989 (4 factors)
- First 10 multiples
- 9,989, 19,978, 29,967, 39,956, 49,945, 59,934, 69,923, 79,912, 89,901, 99,890
- Square
- 9,989 × 9,989 = 99,780,121
- Square root
- ≈ 99.94
- Sum of the digits
- 9 + 9 + 8 + 9 = 35
- Rounded to the nearest 10
- 9,990
- Rounded to the nearest 100
- 10,000
- Rounded to the nearest 1000
- 10,000
- Number before
- 9,988
- Number after
- 9,990
- In binary
10011100000101
Quick check
What number comes just after 9,989?
Show the answer
9,990
Is 9,989 even or odd?
Show the answer
Odd
What is 9,989 + 10?
Show the answer
9,999
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 9,989 in words?
9,989 is written "nine thousand nine hundred and eighty-nine".
Is 9,989 a prime number?
No. 9,989 is a composite number, because it has more than two factors.
What are the factors of 9,989?
The factors of 9,989 are 1, 7, 1,427 and 9,989.