30
Number 30 properties
- 30 is an even number.
- 30 is a Harshad number, which means it is divisible by the sum of its digits (30 = 3, and 30 is divisible by 3).
Number 30 - properties and curiosities
30 (number)
Prime factorization
Prime factorization of 30: 2 × 3 × 5.
Divisors
Divisor count: 8
1, 2, 3, 5, 6, 10, 15, 30
Factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30.
Representations
In octal, 30 is represented as 36.
In binary, 30 is represented as 11110.
In hex, 30 is represented as 1E.
Roman numeral: XXX
Curiosities
- 30 is divisible by the sum of its digits.
Related numbers
Quick answers
Is 30 prime?
No, 30 is not prime.
What are the factors of 30?
1, 2, 3, 5, 6, 10, 15, 30
What is 30 in binary?
11110