As character names:

U+1EC89 INDIC SIYAQ NUMBER SEVEN HUNDRED character (𞲉)

As raw characters:

𞲉

As a string of HTML entities:

𞲉

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 158, hex 0x9E, octal \236, binary 10011110
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 178, hex 0xB2, octal \262, binary 10110010
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 137, hex 0x89, octal \211, binary 10001001
This is continuation byte 3, expecting 0 more.

U+1EC89	INDIC SIYAQ NUMBER SEVEN HUNDRED