Regardless of what base you’re using, 10 is always the nth number. In base 10 (normal numbers), 10 is 10th. In base 2 it is the 2nd.
1
10
11
In base 16 (hexadecimal) it is the 16th.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
10
The original joke is “there are 10 kinds of people, those who understand binary and those who don’t l” because 10 in binary is 2 in base 10. But they’re pointing out that a similar joke works for all bases of numbers.
Regardless of what base you’re using, 10 is always the nth number. In base 10 (normal numbers), 10 is 10th. In base 2 it is the 2nd.
In base 16 (hexadecimal) it is the 16th.
The original joke is “there are 10 kinds of people, those who understand binary and those who don’t l” because 10 in binary is 2 in base 10. But they’re pointing out that a similar joke works for all bases of numbers.