As character names:

U+1E58 LATIN CAPITAL LETTER R WITH DOT ABOVE character (Ṙ)

As raw characters:

Ṙ

As a string of HTML entities:

Ṙ

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 152, hex 0x98, octal \230, binary 10011000
This is continuation byte 2, expecting 0 more.

U+1E58	LATIN CAPITAL LETTER R WITH DOT ABOVE
	: 0052 0307