Mifare UID Decimal formats
Example: Sector 0 Block 0 Data: 80 CD E6 D6 7D 88 04 00 88 98 00 20 00 00 00 F8 Single size UID (4-byte) UID "in order" (Big Endian): 80 CD E6 D6 UID "in reverse bytes order" (Little Endian/Intel): D6 E6 CD 80 Decimal: 3605450112 References: https://www.starnfc.com/mifare-1k-uid-number-format https://www.mifare.net/support/forum/topic/mifare-uid-number