A symbol showing the numbers 1, 2, 3 and 4. Intended to be used on a software keyboard, or other input screen to enable symbol input, as opposed to alphabetical or symbol input.
Input Numbers was approved as part of Unicode 6.0 in 2010 under the name “Input Symbol for Numbers” and added to Emoji 1.0 in 2015.
U+1F522
? Input symbol for numbers