33rd Prime

 We need to carefully count the primes in order.

The prime sequence begins:

1st: 2

2nd: 3

3rd: 5

4th: 7

5th: 11

6th: 13

7th: 17

8th: 19

9th: 23

10th: 29

11th: 31

12th: 37

13th: 41

14th: 43

15th: 47

16th: 53

17th: 59

18th: 61

19th: 67

20th: 71

21st: 73

22nd: 79

23rd: 83

24th: 89

25th: 97

26th: 101

27th: 103

28th: 107

29th: 109

30th: 113

31st: 127

32nd: 131

33rd: 137

✅ The 33rd prime number is 137.