But in another 2017 years it will be 4034, which is not a prime number.
Found this winner floating on the internet:
We all know that 2017 is a prime number, but it is more than just another prime number.
2017π (rounds to nearest integer) is a prime.2017e (rounds to nearest integer ) is a prime.The sum of all odd primes up to 2017 is a prime number, i.e. 3+5+7+11+…+2017 is a prime number.The prime number before 2017 is 2017+(2-0-1-7), which makes it a sexy prime, and the prime after 2017 is 2017+(2+0+1+7). 2017 itself is of course equal to 2017+(201*7).Insert 7 into any two digits of 2017, it is still a prime number, i.e. 27017, 20717, 20177 are all primes. Plus, 20177 is also a prime number.Since all digits of 2017 is less than 8, it can be viewed as an octal. 2017 is still a prime number as an octal.
But in another 2017 years it will be 4034, which is not a prime number.
Found this winner floating on the internet:
We all know that 2017 is a prime number, but it is more than just another prime number.
2017π (rounds to nearest integer) is a prime.2017e (rounds to nearest integer ) is a prime.The sum of all odd primes up to 2017 is a prime number, i.e. 3+5+7+11+…+2017 is a prime number.The prime number before 2017 is 2017+(2-0-1-7), which makes it a sexy prime, and the prime after 2017 is 2017+(2+0+1+7). 2017 itself is of course equal to 2017+(201*7).Insert 7 into any two digits of 2017, it is still a prime number, i.e. 27017, 20717, 20177 are all primes. Plus, 20177 is also a prime number.Since all digits of 2017 is less than 8, it can be viewed as an octal. 2017 is still a prime number as an octal.