13
Number 13 properties
- 13 is an odd number.
- 13 is a prime number, which means it is only divisible by 1 and itself.
- 13 is Fibonacci number #7.
Number 13 - properties and curiosities
13 (number)
Prime factorization
Prime factorization of 13: 13.
Divisors
Divisor count: 2
1, 13
Factors of 13 are: 1, 13.
Representations
In octal, 13 is represented as 15.
In binary, 13 is represented as 1101.
In hex, 13 is represented as D.
Roman numeral: XIII
Curiosities
- 13 is part of the infinite sequence of prime numbers.
- 13 appears in the Fibonacci sequence, where each number is the sum of the previous two.
Related numbers
Quick answers
Is 13 prime?
Yes, 13 is prime.
What are the factors of 13?
1, 13
What is 13 in binary?
1101