Here are some cool things with numbers. As always numbers are simply fun! There are not many words needed to demonstrate this charm. It is obvious from the patterns attained. 1.1 = 1 11.11 = 121 111.111 = 12321 1111.1111 = 1234321 11111.11111 = 123454321 111111.111111 = 12345654321 1111111.1111111 = …
Letters ‘a’, ‘b’, ‘c’ & ‘d’ do not appear anywhere in the spellings of 1 to 99 (Letter ‘d’ comes for the first time in Hundred) Letters ‘a’, ‘b’ & ‘c’ do not appear anywhere in the spellings of 1 to 999 (Letter ‘a’ comes for the first time in …
In mathematics, a perfect number is a +ve integer which is equal to the sum of its proper positive divisors excluding the number itself. The first perfect number is 6, because 1, 2, and 3 are its proper positive divisors, and 1 + 2 + 3 = 6! It is …