Take a look at some facts about the royal baby in numbers!
1 - he's only just been born but he already has his own Wikipedia page!
3 - journalists were camped outside the hospital for almost three weeks before the birth of the baby.
4:24 - baby Cambridge was born at 4:24pm. Prince Harry was born at 4:20pm on 15 September 1984.
16 - when King, the baby will be the head of 16 countries.
43 - the royal baby would be the 43rd monarch after his grandfather and father.
100 - born weighing 8 lbs 6 ounces, the royal baby is heavier than average. The average weight of a baby boy is 7 lbs and 8 ounces. He is also the heaviest royal baby to be born in 100 years!
25,000 - at its peak, there were more than 25,000 tweets a minute about the royal birth.
370,000 - around 370,000 babies are born every day worldwide, with around 2,000 born in the UK alone. But on Monday, there was only one royal baby!