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20KN: Twenty Kilo Numeric System (CJK-based 20,000-radix encoding)

Project description

twentykn - 20KN: Twenty Kilo Numeric System (二萬進數)

A unicode-based 20,000-radix numeric encoding system using CJK Unified Ideographs (U+4E00 to U+9FFF).
Created by blueradiance (2025).


🌐 Description (EN)

twentykn is a compression-friendly, unicode-stable, reversible numeric encoding system using exactly 20,000 continuous CJK characters.
It provides high-density information representation and preserves sortability.

  • Supports integer encoding/decoding
  • Uses Unicode range U+4E00 to U+9FFF
  • Each character represents a value from 0 to 19999
  • Sortable by unicode string order
  • Fully reversible and system-safe

🇰🇷 설명 (한국어)

twentykn은 유니코드 CJK 한자(U+4E00 ~ U+9FFF) 20,000자를 기반으로 한
고압축 숫자 인코딩 시스템입니다.
정렬 가능하며, 100% 복원이 가능한 한자 기반 이만진수(20진수 × 1,000) 체계입니다.

  • 정수를 유니코드 한자로 압축
  • 유니코드 순서 그대로 정렬 가능
  • 모든 OS에서 출력 가능
  • 정보량 약 log₂(20000) ≈ 14.3비트/문자

🇨🇳 中文说明 (简体中文)

twentykn 是一个基于 Unicode 的数字编码系统,使用 20,000 个连续的汉字字符(U+4E00 到 U+9FFF)。
它压缩效率高,可逆性强,字符排序即数字排序,适用于大规模数字存储与传输。

  • 每个字符表示 0 ~ 19999 的值
  • 使用 Unicode 汉字区段,几乎所有系统支持显示
  • 支持整数编码/解码
  • 保持可排序性与兼容性

🔧 Usage

from twentykn import encode, decode

n = 1234567890
s = encode(n)
restored = decode(s)
assert restored == n

📜 License

See LICENSE.txt for terms.

Author: blueradiance

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