It's perhaps a little inaccurate, but he's not up to discussing complicated concepts such as 'I am a raven that sometimes gets transformed, by magic, into a man, a horse, a dragon, or on one particularly unwelcome occasion a dog by my Faerie mistress.'

He tilts his head questioningly--he's been many things, but 'numbered' is not one of them. He thinks. He's not quite sure what you mean by that.