Undefined Character (U+16D84)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖶄` `𖶄`
UTF-8 Encoding:	`0xF0 0x96 0xB6 0x84`
UTF-16 Encoding:	`0xD81B 0xDD84`
UTF-32 Encoding:	`0x00016D84`

References