This open source icon is named "number 2 circle" and is licensed under the open source CC BY 4.0 license. It's available to be downloaded in SVG and PNG formats (available in 256, 512, 1024 and 2048 PNG sizes).
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Black Circle 2 Download Free - Colaboratory
Free Number Circle Two Icon - Download in Line Style
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9 Trusted Sources That Offer Free Icons for Website Design
Free icons designed by Freepik
number 2 Icon - Download for free – Iconduck
Download Circle Numbers Font - Colaboratory
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10 icon packs from the Figma community to have in your toolkit, by Linda Okorie