島

島, X5CF6 is Unicode character number 23798, KanjiLiberal.

島, X5CF6 appears as one of six realizations of term sima.

島, X5CF6 can be pronounced as "しま" and mean "island".
Also, sometimes, this character is pronounced as "トウ" (in case of a peninsula).

Sima (generic island)

㠀岛島嶋嶌嶹

The 6 Kanjis have similar meaning; each of these kanjis is qualified as sima. The encoding of these characters can be revealed with PHP program du.t. Command

php du.t 㠀岛島嶋嶌嶹

produces the following output:

㠀岛島嶋嶌嶹
The array has 18 bytes; here is its splitting:
e3 a0 80 e5 b2 9b e5 b3 b6 e5 b6 8b e5 b6 8c e5 b6 b9
array(6) {
  [0]=>
  string(3) "㠀"
  [1]=>
  string(3) "岛"
  [2]=>
  string(3) "島"
  [3]=>
  string(3) "嶋"
  [4]=>
  string(3) "嶌"
  [5]=>
  string(3) "嶹"
}

Unicode character number 14336 id est, X3800
Picture: 㠀 ; uses 3 bytes. These bytes are:
xE3 xA0 x80 in the hexadecimal representation and
227 160 128 in the decimal representation

Unicode character number 23707 id est, X5C9B
Picture: 岛 ; uses 3 bytes. These bytes are:
xE5 xB2 x9B in the hexadecimal representation and
229 178 155 in the decimal representation

Unicode character number 23798 id est, X5CF6
Picture: 島 ; uses 3 bytes. These bytes are:
xE5 xB3 xB6 in the hexadecimal representation and
229 179 182 in the decimal representation

Unicode character number 23947 id est, X5D8B
Picture: 嶋 ; uses 3 bytes. These bytes are:
xE5 xB6 x8B in the hexadecimal representation and
229 182 139 in the decimal representation

Unicode character number 23948 id est, X5D8C
Picture: 嶌 ; uses 3 bytes. These bytes are:
xE5 xB6 x8C in the hexadecimal representation and
229 182 140 in the decimal representation

Unicode character number 23993 id est, X5DB9
Picture: 嶹 ; uses 3 bytes. These bytes are:
xE5 xB6 xB9 in the hexadecimal representation and
229 182 185 in the decimal representation

Google

There is difference in pronunciation of characters 岛 and 島 by the Google translator :

Character 岛 is pronounced as "だお", while
character 島 is pronounced as "しま".

Other sites make no difference in phonetic nor in semantic among various Sima kanjis.
For this criterion, the unicode characters are combined in generic name Sima.

Examples by jisho

https://jisho.org/search/%23kanji%20島%20https%3A%2Fjisho.org%2Fsearch%2F

On reading compounds
島 【トウ】 Island, insula, island, islet
島国 【シマグニ】 island country
千島列島 【チシマレットウ】 Kurile Islands
列島 【レットウ】 archipelago, chain of islands

Kun reading compounds
島 【しま】 island, one's territory (e.g. of a sex worker, organized crime gang), one's turf
島国 【しまぐに】 island country
千島 【ちしま】 Kurile Islands
広島 【ひろしま】 Hiroshima (city, prefecture)

References

https://ja.wikipedia.org/wiki/島 島（しま、とう）またはアイランド（英語：Island）は、大陸の面積より小さく、四方を海洋に囲まれた陸地である。中国語では「島」とは別に小島を意味する「嶼」という言葉があり、これらをあわせて島嶼（とうしょ）とも言う。常用外漢字であることから、しばしば「島しょ」と表記される。

Keywords

Chinese, da.t, Japanese, Kanji, KanjiConfudal, KanjiLiberal, KanjiRadical, PHP, Shima, Unicode, uni.t, Utf8, 㠀, 岛, 島, 嶋, 嶌, 嶹