30-01-2019 CTS Practice Coding Programs

1. lcm,
2. gcd,
3. armstrong numbe.
1. 153, 370          1^3+5^3+3^3  is 153
4. ,pallendrome no,
5. pallendrome string
6. perfect number.
1.  6 is perfect number       6 divisible by 1,2,3   so 1+2+3  is 6  
7. Amicable Number
1. 321   and 123   are amicable numbers
8. Amicable string
1.   abc  and   bca   are amicable strings.