Immigration has reached a number.

1. Because "immigration" is a place that changes life, that is, moving from the original place to another place, which means change, the number "1" can be understood as a straight line in form, and the straight line represents change, so the number "immigration" should be "1".

2. The number "1" is often regarded as a symbol of "Tai Chi" in China traditional culture. Taiji is a concept in China's philosophy, which represents the origin of the world and the laws of the universe. Therefore, the connection between the word "immigrant" and the number "1" can also be explained from a cultural perspective.

3. Letter Association: In Chinese Pinyin, the first letter of the word "immigrant" is "Y", and the ranking of "Y" in Pinyin is 1. So "immigration" can be associated with the number "1". From the linguistic point of view, the pronunciation of the word "immigrant" is very similar to the pronunciation of the number "one", and it is also a possible connection.

A riddle about numbers:

1, everything is born strong, with father and mother. Some fathers have different surnames, and some mothers have different surnames. (dial a number). Answer: 0

Analysis: The number 0 is shaped like an egg, and it is the only number without parents among all the numbers, so the answer to this riddle is 0.

2. One plus one (type a number). Answer: 2

Analysis: The answer to this riddle is the number 2, because "one plus one" is "two" and "two" is the number 2.

3. One plus one (type a mathematical expression). Answer: even number

Analysis: The answer to this riddle is even, because "one plus one" equals "two" and it is even.

4. One plus one (type a word). A: Wang

Analysis: "One plus one" equals "Wang", so the answer to this riddle is the Chinese character "Wang".

5, one plus one (to use an idiom). Answer: two in one.

Analysis: "One plus one" equals "one into one", so the answer to this riddle is the idiom "one into one".