0: Number of passports held by the Queen. She has none because passports are issued by the government in her name.
2.23: Weight, in kilograms, of St. Edward’s Crown (c. 1661) worn by Elizabeth II at her coronation in 1953.
5: Number of versions of the Queen’s portrait on Canadian banknotes (1935, 1954, 1969, 1986 and 2004).
7: Current count of the ankle-nipping canine pack belonging to HM: four corgis (Linnet, Monty, Willow and Holly) and three dorgis—a cross between a corgi and a dachshund (Cider, Candy and Vulcan).
16: Number of nations where the Queen is sovereign.
25: Age at which she inherited the throne on the death of her father George VI.
40: Elizabeth II’s position in the line of monarchs stretching back to William the Conqueror.
100: Percentage of overseas state and Commonwealth visits on which Prince Philip has accompanied his wife.
230873: The registration number of Second Subaltern Elizabeth Alexandra Mary Windsor during the Second World War. “We had sparking plugs last night all the way through dinner,” her mother good-heartedly complained of her daughter’s work as a mechanic and driver.
2015/9/10: The date when the Queen will exceed Victoria’s record 64 years on the throne to be the longest-reigning monarch in British history. She will supplant George III for second place on May 12, 2011.