Number Systems

Formulas are organized based on their importance in the CAT exam.
1 Properties of Factors
2 HCF and LCM
3 Remainder Properties
4 Divisibility by different numbers
5 Basics of Factorial
6 Cyclicity
7 Remainder Theorems
8 Euler Totient
9 Chinese Remainder Theorem
10 Highest power of a number in a Factorial
11 Number of trailing zeros
12 The Last Non-Zero Digit For Factorials
13 Base System
14 Divisibility Rules for Power Expressions

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