990
Number 990 properties
- 990 is an even number.
- 990 is triangular and equals T44.
- 990 is a Harshad number, which means it is divisible by the sum of its digits (990 = 18, and 990 is divisible by 18).
Number 990 - properties and curiosities
990 (number)
Prime factorization
Prime factorization of 990: 2 × 3^2 × 5 × 11.
Divisors
Divisor count: 24
1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
Factors of 990 are: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990.
Representations
In octal, 990 is represented as 1736.
In binary, 990 is represented as 1111011110.
In hex, 990 is represented as 3DE.
Roman numeral: CMXC
Curiosities
- 990 is divisible by the sum of its digits.
Related numbers
Quick answers
Is 990 prime?
No, 990 is not prime.
What are the factors of 990?
1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
What is 990 in binary?
1111011110