Your device cannot show this emoji yet. It still copies, and newer phones will show it.
:nine::keycap_9:U+0039 U+FE0F U+20E39️⃣\0039\FE0F\20E3"\u{0039}\u{FE0F}\u{20E3}"9%EF%B8%8F%E2%83%A3The digit 9 on a keycap. It stands for nine, the ninth step, or the last single digit.
People use 9️⃣ in lists, scores and ratings like '9️⃣/🔟'. Phrases such as 'on cloud nine' sometimes get a 9️⃣ for fun.
In Japanese, nine can be read as ku, which sounds like the word for suffering, so it is an unlucky number there.
Keycap: 9 9️⃣ is an emoji in the symbols category, under keycap. It is one of the early emoji from Japanese phones, standardized in Unicode 6.0 (2010). On GitHub, Slack and other apps you can type it as :nine: or :keycap_9:. People also look for it with words like “9”, “keycap”, or “nine”.
Google (Noto)
2015
2017
2021Google Noto Emoji images: Apache 2.0. Twemoji graphics by X Corp and contributors: CC-BY 4.0.