21 is the age when you're allowed to drink

In a human, 23 pairs of chromosomes are found.

There is a game called 24 where you have to add/subtract/multiply/divide numbers in order to get a result of 24.

There are 26 letters in the english alphabet

there are 29 days in a leap year's february

The score of this football game totals 31

https://www.footballdb.com/games/boxscore/buffalo-bills-vs-cincinnati-bengals-1989010801

The New England Patriots scored 33 points in Super Bowl 52

It will be June 15th 34 days from now.

the 35th day of any given calendar year is february 4th

36 is the lowest number (other than 0 and 1) that is both triangular and square: When stopping at 8 in the sequence: 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 = 36, and it's the square of 6

(If you're doing 37 please post the Veritasium video I beg haha)

bet

38 is the atomic number for strontium

39 buried 0 found