Undefined Character (U+142A9)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𔊩` `𔊩`
UTF-8 Encoding:	`0xF0 0x94 0x8A 0xA9`
UTF-16 Encoding:	`0xD810 0xDEA9`
UTF-32 Encoding:	`0x000142A9`

References