Decimal 18 is 10010 in binary
Binary form of 18 is "10010"
18 in binary is 10010
Decimal 23 is 10111 in binary
Decimal 26 is 11010 in binary
Decimal 27 is 11011 in binary
11001 16 + 8 + 1
Decimal 20 is 10100 in binary
Decimal 28 is 11100 in binary
10010
10010
212 (decimal) is 11010100 (binary)
The plural of binary is binaries. As in "he used binaries to write the code".