1800
Number 1800 properties
- 1800 is an even number.
- 1800 is a Harshad number, which means it is divisible by the sum of its digits (1800 = 9, and 1800 is divisible by 9).
Number 1800 - properties and curiosities
1800 (number)
Prime factorization
Prime factorization of 1800: 2^3 × 3^2 × 5^2.
Divisors
Divisor count: 36
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800
Factors of 1800 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225.
Representations
In octal, 1800 is represented as 3410.
In binary, 1800 is represented as 11100001000.
In hex, 1800 is represented as 708.
Roman numeral: MDCCC
Curiosities
- 1800 is divisible by the sum of its digits.
Related numbers
Quick answers
Is 1800 prime?
No, 1800 is not prime.
What are the factors of 1800?
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225
What is 1800 in binary?
11100001000