1 and 13 are the emperor's numbers, which are used exclusively by the emperor. The jade belt of the emperor is thirteen pieces, and the clothes worn by the emperor when he went to court are also very special. A 13 ring is added to the gold belt to show his dignity. So 13 is the digital emperor of China, symbolizing a kind of power and imperial power.
2. In the mathematical spirit of Zhouyi 8 1, 13 is also a good luck number, such as 13 (meaning Chunyang Peony): a number with superior intelligence and success (meaning good luck).
3. 13 in Buddhism is also a lucky number: there are 13 Buddhist scriptures in Buddhism, and thirteen sects have been introduced to China, representing the perfection of merit. Potala Palace 13 floor, Tianning Tower 13 floor.
4. 13 is often used in writing, such as Sun Tzu's Art of War 13, Li He's Nanyuan 13, the younger sister portrayed in the biography of heroes of children 13, and Wang Xianzhi's calligraphy work Jade Edition 13.
The importance of numbers:
1, measurement and calculation: Numbers can be used to measure and calculate various physical quantities, economic indicators, population data and so on. Through the calculation and comparison of numbers, we can understand the development and changes of things more accurately.
2. Information transmission and storage: Digital technology enables information to be transmitted and stored faster and more widely. Digital text, pictures, audio and video can be transmitted and saved through the network and electronic equipment, which greatly improves the efficiency of information acquisition and utilization.
3. Decision analysis and prediction: The collection and analysis of digital data can provide more scientific and accurate basis for decision makers. For example, economic data can help the government to formulate reasonable economic policies; Population data can provide reference for urban planning and social construction.
4. Scientific research and technological innovation: Digital technology has also become an indispensable tool for scientific research and technological innovation. Numerical simulation and computer simulation have become the core methods in many fields, which have greatly promoted the progress of scientific research and technological innovation.