As character names:

U+0051 LATIN CAPITAL LETTER Q character

As raw characters:

Q

As a string of HTML entities:

Q

Decoder output:

Byte number 1 is decimal 81, hex 0x51, octal \121, binary 01010001

U+0051	LATIN CAPITAL LETTER Q
	x (cyrillic capital letter qa - 051A)
	x (double-struck capital q - 211A)
	x (rotated capital q - 213A)