>>20070562Saint Augustine argues in city of god that though God could have made the world instantly, he choose to make it in 6 days to reflect it's perfectness.
For context, 6 is a perfect number, that is, all it's integer divisors add up to itself. For 6 they are 1, 2 and 3 so adding up to 6. There are other perfect numbers but they are really rare, far raree than primes (though both occur infinitely).
A cool 2400 years old open question in mathematics relates to perfecr numbers. No one has found an odd perfect number, the question is: "are there odd perfect numbers?", no one has been able to prove there aren't
