989
Number 989: Properties, Factors, and Mathematical Facts
Short answer
The number 989 is an odd composite number with 4 positive divisors. Its prime factorization is 23 × 43. It is also a deficient number and a decimal palindrome, which gives it several notable mathematical relationships.
Is 989 prime?
ClassificationCompositeParityOddDivisor count4AbundanceDeficient
What is the prime factorization of 989?
Prime factorization
23 times 43
What are the divisors of 989?
Divisor count
4
Divisor sum
1,056
Proper divisor sum
67
- 1
- 23
- 43
- 989
How is 989 classified?
How is 989 represented in other numeral systems?
Decimal
989
Binary
1111011101
Octal
1735
Hexadecimal
3DD
Roman
CMLXXXIXLearn more →
In words
nine hundred eighty nine
Roots and powers
Square root
31.448370 Approximate
Cube root
9.963198 Approximate
Nearest lower square
961
Nearest higher square
1024
Nearest lower cube
729
Nearest higher cube
1000
What are the digit properties of 989?
Which numbers are related to 989?
Why these results are true
- 989 is composite because it has positive divisors other than 1 and itself.
Compare this number
FAQ for 989
- Is 989 prime?
- No
- What is the prime factorization of 989?
- 23 × 43
- Is 989 a perfect square?
- No
- What is 989 in binary?
- 1111011101
- What is 989 in Roman numerals?
- CMLXXXIX