100010

In another number system, it's the ultimate answer. In a third, it's just over a third of a century.

What's the significance? Well, this might provide a clue...

(Photo a bit blurred as it was taken on my mobile phone at work, where I'd taken the item pictured)

Needless to say, if my comments later on this evening make even less sense than usual, you'll know I've consumed an extra glass of vino... :)