19
Number 19 properties
- 19 is an odd number.
- 19 is a prime number, which means it is only divisible by 1 and itself.
Number 19 - properties and curiosities
19 (number)
Prime factorization
Prime factorization of 19: 19.
Divisors
Divisor count: 2
1, 19
Factors of 19 are: 1, 19.
Representations
In octal, 19 is represented as 23.
In binary, 19 is represented as 10011.
In hex, 19 is represented as 13.
Roman numeral: XIX
Curiosities
- 19 is part of the infinite sequence of prime numbers.
Related numbers
Quick answers
Is 19 prime?
Yes, 19 is prime.
What are the factors of 19?
1, 19
What is 19 in binary?
10011