It wasn't related to my age, though it wasn't far off. The number was added absent-mindedly, just to avoid having to check for available names on an already popular site.
I had no idea it had any special meaning for someone. I'm going to assume it's some sort of americanism, since I have never ran into it before. I removed it just to avoid provoking anyone in the future.
I'd love to add that I'm not this and that, just to put the issue to bed, but itch will literally block me from responding to this if it detects those words. So lets just say I'm not subscribed to any hate-fueled ideas.
I'm obviously an annoying stubborn jackass, but I'm all for equality.