27MAR21SAT
WHY ZERO IS A SPECIAL NUMBER
10 divided by 10 is equal to 1.
That means, if you have 10 candies and there are 10 people, each will get 1 candy.
9 divided by 9 is equal to 1.
That means, if you have 9 candies and there are 9 people, each will get 1 candy.
8 divided by 8 is equal to 1.
That means, if you have 8 candies and there are 8 people, each will get 1 candy.
7 divided by 7 is equal to 1.
That means, if you have 7 candies and there are 7 people, each will get 1 candy.
6 divided by 6 is equal to 1.
That means, if you have 6 candies and there are 6 people, each will get 1 candy.
5 divided by 5 is equal to 1.
That means, if you have 5 candies and there are 5 people, each will get 1 candy.
4 divided by 4 is equal to 1.
That means, if you have 4 candies and there are 4 people, each will get 1 candy.
3 divided by 3 is equal to 1.
That means, if you have 3 candies and there are 3 people, each will get 1 candy.
2 divided by 2 is equal to 1.
That means, if you have 2 candies and there are 2 people, each will get 1 candy.
1 divided by 1 is equal to 1.
That means, if there is 1 candy and there is 1 person, he will get that 1 candy.
Any number divided by itself is equal to 1.
If there are 0 candies and 0 people, will each get 1 candy?
BUT, 0 divided by 0 is NOT equal to 1.
0 does NOT follow an important property that is showed by all other numbers.
That is why, 0 is NOT grouped under 'prime' or 'composite' category.
15*15
15+5, 5*5
20
25
=225
16*15
16+5, 6*5
21
30
=240
17*15
17+5, 7*5
22
35
=255
18*15
18+5, 8*5
23
40
=270
19*15
19+5, 9*5
24
45
=285
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