As character names:

U+10051 LINEAR B SYMBOL B019 character (𐁑)

As raw characters:

𐁑

As a string of HTML entities:

𐁑

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 144, hex 0x90, octal \220, binary 10010000
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 129, hex 0x81, octal \201, binary 10000001
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 145, hex 0x91, octal \221, binary 10010001
This is continuation byte 3, expecting 0 more.

U+10051	LINEAR B SYMBOL B019