53: Number of Commonwealth government members who decided in April of 2018 that Charles — as well as eventually becoming King — would succeed the Queen as Head of the Commonwealth.
70: Height in inches (making him the same height as Diana).
80: Years of tradition broken when he presented Camilla with a wedding ring derived from Cornish gold, instead of from the nugget of Welsh gold that has provided rings for all royals since 1923.
192: Number of acres at Llwynywermod, his Welsh property.