Numbers has become an indispensable part of human society. Numbers are widely applied in the realms of network infrastructures, technology, and economics, providing crucial foundations for these fields.

Even complex codes require numerical formulas. From national earth codes, company registration numbers, stock codes, to vehicle registration numbers and personal identification numbers, numbers combinations have an inseparable and close connection to humans.

We constantly find ourselves in a world composed of numbers constructs. Each country, organization, and business is formed by corresponding numbers phenomena, shaping their unique policy perspectives, national plannings, social divisions of labor, corporate developments, technological innovations, cultural inheritances, and more. Together, they constitute a complete macro-environment.

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• Identity Card No.

• Passport No.

• Mobile No.

• Password

• Transport No. (Car | Flight | Bus | Train)

• Address | Postal Code

• Bank Account | Card | Swift

• Company | Organization Registration No.

• Trading | Import | Tracking | Product No.

• Pricing | Shopping | Table| Queue No.

• Membership Card No.

• Financial | Stock Code | Tax 

• Pet Identity No.

• Website | Email | Social Media Account No.

   Note: Not limited to above*​