As character names:

U+1E61 LATIN SMALL LETTER S WITH DOT ABOVE character (ṡ)

As raw characters:

ṡ

As a string of HTML entities:

ṡ

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 185, hex 0xB9, octal \271, binary 10111001
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 161, hex 0xA1, octal \241, binary 10100001
This is continuation byte 2, expecting 0 more.

U+1E61	LATIN SMALL LETTER S WITH DOT ABOVE
	* Irish Gaelic (old orthography)
	: 0073 0307