2 billion: Amount of people who watched his wedding on TV.
25: Number of charity patronages he has, including the three that he took over from his mother Diana: Child Bereavement UK, The Royal Marsden Hospital, and Centrepoint.
26: Number of countries he has visited for work: USA, Canada, Chile, Belize, Mauritius, Norway, Germany, Afghanistan, Qatar, South Africa, Botswana, Lesotho, Denmark, France, Singapore, Malaysia, The Solomon Islands, Tuvalu, New Zealand, Australia, Belgium, Malta, China, Japan, India, and Bhutan.
21: Number of rooms in Kensington Palace.
V: Will be the number after his name when he becomes king.