29
This number is a prime.
Single Curio View: (Seek other curios for this number)
Version 3 of the QR Code (Quick Response Code) uses a29-by-29 array of black squares on a white background to
encode messages. QR Codes are often scanned by smart
phones for the purpose of linking to a website whose URL
is encoded in the array of black and white squares. [Green]
Submitted: 2012-12-07 18:58:28; Last Modified: 2020-06-21 16:40:42.
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