There it has been most likely felt that some numbers appear more often than others as if we take a distribution of prime numbers, it is very less likely the last digits of consecutive primes to match that is if one prime is ending with 1 then it is very less likely the next prime would also end in 1. This shows that out of a given probability distribution some numbers appear more often than others. The reason could be found in identity. Some numbers form identity such as primes 1,3,7,9 are more likely to form the last digits after say number 5. So 1,3,7,9 are more likely to appear than other digits.
Now if we have to draw an ace of spade from 52 cards it has least probability of 1 in 52 cards or 98% chances are the card would not be drawn. Either there would be an ace of spade or not. After I draw a card, the chances of the other card to be ace of spades increases. So we could say the identity of ace of spade increases while for the card we have drawn identity immediately becomes 0. So an ace of spade to appear has more identity than any other card remaining in the deck.
In nature the identity could be bestowed in the form of pattern that presents itself as more often than other like Fibbonaci sequence where the addition of two consecutive numbers appear as the next number. The chances of appearing of certain numbers are fixed by the pattern beforehand. Hence if time is an infinite progression out of which something has to exact in future, the chances are that its happening is fixed.