1289
Number 1289 properties
- 1289 is an odd number.
- 1289 is a prime number, which means it is only divisible by 1 and itself.
- 1289 is a Sophie Germain prime, which means that 2 x 1289 + 1 = 2579 is also a prime number.
Number 1289 - properties and curiosities
1289 (number)
Prime factorization
Prime factorization of 1289: 1289.
Divisors
Divisor count: 2
1, 1289
Factors of 1289 are: 1, 1289.
Representations
In octal, 1289 is represented as 2411.
In binary, 1289 is represented as 10100001001.
In hex, 1289 is represented as 509.
Roman numeral: MCCLXXXIX
Curiosities
- 1289 is part of the infinite sequence of prime numbers.
Related numbers
Quick answers
Is 1289 prime?
Yes, 1289 is prime.
What are the factors of 1289?
1, 1289
What is 1289 in binary?
10100001001