As character names:

U+004D LATIN CAPITAL LETTER M character

As raw characters:

M

As a string of HTML entities:

M

Decoder output:

Byte number 1 is decimal 77, hex 0x4D, octal \115, binary 01001101

U+004D	LATIN CAPITAL LETTER M
	x (script capital m - 2133)
	x (roman numeral one thousand - 216F)