1. Is 55 abundant, perfect, or deficient? Why? (See Exercise 26.) 2. Is 61 abundant, perfect, or deficient? Why? 3. Is 60 abundant, perfect, or deficient? Why? 4. Is 62 abundant, perfect, or...

1. Is 55 abundant, perfect, or deficient? Why? (See Exercise 26.)

2. Is 61 abundant, perfect, or deficient? Why?

3. Is 60 abundant, perfect, or deficient? Why?

4. Is 62 abundant, perfect, or deficient? Why?

5. Is 65 abundant, perfect, or deficient? Why?

6. In this exercise, you will fill in the first blank row in Figure 7.9. Justify each of your answers.

a. What is the value of n?

b. What is the corresponding value of 2^n-1?

c. What is the corresponding value of 2ⁿ
- 1?

d. What is the corresponding value of (2^n-1
) (2ⁿ
- 1)?