31
Number 31 properties
- 31 is an odd number.
- 31 is a prime number, which means it is only divisible by 1 and itself.
Number 31 - properties and curiosities
31 (number)
Prime factorization
Prime factorization of 31: 31.
Divisors
Divisor count: 2
1, 31
Factors of 31 are: 1, 31.
Representations
In octal, 31 is represented as 37.
In binary, 31 is represented as 11111.
In hex, 31 is represented as 1F.
Roman numeral: XXXI
Curiosities
- 31 is part of the infinite sequence of prime numbers.
Related numbers
Quick answers
Is 31 prime?
Yes, 31 is prime.
What are the factors of 31?
1, 31
What is 31 in binary?
11111