Tell your deskmate what 12 means in'122'?

Tell your deskmate that 12 in' 122' is12.

Maybe it means 65438+February 2, which is a special day for him.

12 (12) is a two-digit natural number between 1 1 and 13, and is a factor of 1, 2, 3, 4, 6 and 12. In daily arithmetic units, 12 is also called a dozen.

First, the mathematical significance of 12:

1, the sixth composite number, its factors are: 1, 2, 3, 4, 6, 12.

2. The fifth highest composite number

3. Pell number and Hashard number

4. the first remainder (because the sum of other divisors except itself is16 >; 12)

Second, the literary significance of 12:

1, and the number "12" symbolizes completeness, sacredness, unsurpassability and perfection.

2. Nickname of the late singer Bella: The late singer Bella was affectionately nicknamed "Er Na" by fans, also known as "Yao Er". After the evolution on the Internet, it was simply called "Yao 'er" by Haibei, and its homonym was "12".

Third, the scientific meaning of 12:

1, and the atomic number of magnesium is 12.

2. Chemistry includes dodecanedioic acid (DDAD).

3. The unit mole used to calculate the amount of substance is defined as the number of atoms contained in12g carbon.