(0) 1 2 3 10 11 12 13 20 21 22 23 30 31 32 33 <--- 15 in base-10
100 101 102 103 110 ...
In any base-n system, the actual digits used have a maximum of n-1. The previous answer included 4 in the terms -- but in binary, which is base-2, we don't see any 2's, do we?
1,2,3,4,5,6,7,8,10,11,12,13,14,15,16
They are 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15 and 16.
1,10,11,100,101,110,111,1000,1001,1010,1011,1100,1101,1110,1111
1, 2, 10, 11, 12, 20, 21, 22, 100, 101, 102, 110, 111, 112, 120
1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16, 20, 21...
1,2,3,4,5,6,7,8,10,11,12,13,14,15,16
They are 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15 and 16.
1,10,11,100,101,110,111,1000,1001,1010,1011,1100,1101,1110,1111
1,2,3,4,5,10,11,12,13,14,15,20,21,22,23
1, 2, 10, 11, 12, 20, 21, 22, 100, 101, 102, 110, 111, 112, 120
1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16, 20, 21...
1, 2, 3 10, 11, 12, 13 20, 21, 22, 23 30, 31, 32, 33,
All whole numbers from 1 to 14
0,1,2,3,4,10,11,12,13,14,20,21,22,23,24,30,31,32,33,34, 40,41,42,43,44,100,101,102,103,104,110,111,112,113,114,120,121 There are 37 numbers here (0 to 36), written in base 5, as I was not certain if you wanted to include "0" or not.
1, 2, 3, 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33
1, 2, 3, 4, 5, 6, 7, 10, 11, 12
1, 2, 10, 11, 12, 20, 21, 22, 100, 101.