As character names:

U+2499 NUMBER EIGHTEEN FULL STOP character (⒙)

As raw characters:

⒙

As a string of HTML entities:

⒙

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 146, hex 0x92, octal \222, binary 10010010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 2, expecting 0 more.

U+2499	NUMBER EIGHTEEN FULL STOP
	# 0031 0038 002E