29 (29) is an Arabic numeral, homophonic: an old friend of two people. 2 refers to two people, and 9 refers to long-term friends.

2、 17:

17 stands for friendship. The homonym of 1 is a friend, and the homonym of 7 is love, so 17 stands for friendship.

3、 13 14:

This is the most common number representing love at ordinary times. 13 is a lifetime, 14 is a lifetime, so 13 14 represents a lifetime.

4、52 1:

This is a number representing the love between lovers, 5 homophonic is me, 2 homophonic is love, 1 homophonic is you, so 52 1 means I love you.

5、 176:

The homonym of 1 is one, the homonym of 7 is departure, and the homonym of 6 is going, so 176 stands for going together.

There are several kinds of numbers, and Arabic numerals are the most common one. Arabic numerals were not invented by Arabs, but by Indians. In fact, it should be listed as Hindi, but it spread to Arabia first and then to the world, so it is called "Arabic numerals". Numbers are written symbols used to represent numbers. Different counting systems can use the same number.

Divide the real number and the imaginary number, and the imaginary number is expressed as I 2 =-1. Real numbers are divided into rational numbers and irrational numbers, and irrational numbers are infinitely circulating decimals, such as √2, π. There is another kind of irrational number called transcendental number. Transcendental numbers are numbers that cannot be expressed by root signs, such as the famous constants π and E, and rational numbers are numbers that can be expressed by fractions. And rational numbers also have positive and negative points.

References:

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