7,989 in words
7,989
seven thousand nine hundred eighty-nine
7,989 is written seven thousand nine hundred eighty-nine.
Ways to write it
- As an ordinal
- seven thousand nine hundred eighty-ninth
- Expanded form
- 7,000 + 900 + 80 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 7 | 7,000 |
| hundreds | 9 | 900 |
| tens | 8 | 80 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 2,663 and 7,989 (4 factors)
- First 10 multiples
- 7,989, 15,978, 23,967, 31,956, 39,945, 47,934, 55,923, 63,912, 71,901, 79,890
- Square
- 7,989 × 7,989 = 63,824,121
- Square root
- ≈ 89.38
- Sum of the digits
- 7 + 9 + 8 + 9 = 33
- Rounded to the nearest 10
- 7,990
- Rounded to the nearest 100
- 8,000
- Rounded to the nearest 1000
- 8,000
- Number before
- 7,988
- Number after
- 7,990
- In binary
1111100110101
Quick check
What number comes just after 7,989?
Show the answer
7,990
Is 7,989 even or odd?
Show the answer
Odd
What is 7,989 + 10?
Show the answer
7,999
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 7,989 in words?
7,989 is written "seven thousand nine hundred eighty-nine".
Is 7,989 a prime number?
No. 7,989 is a composite number, because it has more than two factors.
What are the factors of 7,989?
The factors of 7,989 are 1, 3, 2,663 and 7,989.