This summary brings author’s work on numbers. The study is made in different ways. Specially, towards,** Crazy Representations of Natural Numbers**, **Running Expressions, Selfie Numbers**, etc. Natural numbers are represented in different situations, such as, writing in terms of 1 to 9 or reverse, flexible power of same digits as bases, single digit, single letter, etc. Expressions appearing with equalities having 1 to 9 or 9 to 1 or 9 to 0, calling ** running expressions** are also presented. In continuation, there is work is on **selfie numbers, unified, patterns, symmetrical representations in selfie numbers, Fibonacci sequence and selfie numbers, flexible power Narcissistic and selfie numbers, selfie fractions**, etc. The selfie numbers may also be considered as generalized or wild narcissistic numbers, where natural numbers are represented by their own digits with certain operations. The study is also made towards **equivalent fractions** and **palindromic-type numbers**. For details see the link to see and download the paper:

Download: Crazy Representations

Download: Researchgate

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