23
Number 23 properties
- 23 is an odd number.
- 23 is a prime number, which means it is only divisible by 1 and itself.
- 23 is a Sophie Germain prime, which means that 2 x 23 + 1 = 47 is also a prime number.
Number 23 - properties and curiosities
23 (number)
Prime factorization
Prime factorization of 23: 23.
Divisors
Divisor count: 2
1, 23
Factors of 23 are: 1, 23.
Representations
In octal, 23 is represented as 27.
In binary, 23 is represented as 10111.
In hex, 23 is represented as 17.
Roman numeral: XXIII
Curiosities
- 23 is part of the infinite sequence of prime numbers.
Related numbers
Quick answers
Is 23 prime?
Yes, 23 is prime.
What are the factors of 23?
1, 23
What is 23 in binary?
10111