Belgian National Number (NN) Generator
Generate and format valid Belgian National Number (NN) for software testing and development.
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About Belgian National Number (NN)
The Belgian National Number (NN / Rijksregisternummer) is the unique 11-digit personal identifier assigned to all citizens and residents in Belgium.
Structured as: birthdate (YYMMDD), 3-digit daily counter (odd for males, even for females), and 2 check digits computed via Modulo 97 (prefixing 2 for post-2000 births).