1. Perfect Numbers:
A number, the sum of whose factors is equal to the number is called Perfect number.
Eg:
6, 28, 496
2. Co-Prime (or) Relational Primes:
Two number whose HCF is 1 are called Co-Prime number.
Eg:
(2, 3), (8, 9)
3. Twin Prime:
Number which can be expressed in the form p/q, where p and q are integers and q(not equal to zero) called Rational number.
Eg:
1/8, -8/11, 0, 6, 5 2/3
4. Irrational Number:
Number which when expressed in decimal would be in non-terminating and non-repeating form, are called irrational number.
Eg:
إرسال تعليق