As character names:

U+1D12A MUSICAL SYMBOL DOUBLE SHARP character (𝄪)

As raw characters:

𝄪

As a string of HTML entities:

𝄪

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 157, hex 0x9D, octal \235, binary 10011101
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 132, hex 0x84, octal \204, binary 10000100
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 170, hex 0xAA, octal \252, binary 10101010
This is continuation byte 3, expecting 0 more.

U+1D12A	MUSICAL SYMBOL DOUBLE SHARP