I toyed with the idea of updating all of the previous post headers, but realised that would be an insane waste of my time. Particularly given the fact that I am probably the only person who would notice the changes anyway.
So there it is - 656 is the new golden, and neatly palindromic, number.*
*The author reserves the right to discover further counting errors as this challenge progresses, although she is secretly crossing her fingers that this will not be the case.