Cuttleshock
Inkling Commander
- Joined
- Apr 1, 2016
- Messages
- 459
It was probably the sum of all primes up to a point (and, if so, still is), but don't remember.
161 is a palindrome in base 10. Without testing, I can immediately say that it is not one in bases 7 or 23, as it's the product of those numbers and so ends in a 0 in their bases.
161 is a palindrome in base 10. Without testing, I can immediately say that it is not one in bases 7 or 23, as it's the product of those numbers and so ends in a 0 in their bases.