As character names:
U+005C REVERSE SOLIDUS character (\)
As raw characters:
\
As a string of HTML entities:
\
Decoder output:
Byte number 1 is decimal 92, hex 0x5C, octal \134, binary 01011100 U+005C REVERSE SOLIDUS = backslash x (combining reverse solidus overlay - 20E5) x (set minus - 2216)