Special Numbers

15 Points Per Correct Answer - No time limit  

1. This kind of number is divisible by only one and itself. The first few examples are 2, 3, 5, 7, and 11. Prime Mersenne Rational Deficient

2. What is the set of positive numbers that results in whole numbers when raised to the power of one-half? Triangular Pentagonal Cubic Square

3. What is the name for the type of number that cannot be written as a ratio of two integers? Irrational Deficient Abundant Prime

4. This kind of number is equal to the sum of its positive factors, excluding itself. The first 3 examples are 6, 28, and 496. Answer: (One Word)

5. Real numbers are rational, irrational, whole, and imaginary. True False

6. The numbers 3, 7, 31, and 127 are what? Fermat Primes Newton Primes Leibniz Primes Mersenne Primes

7. What group of numbers does the letter "i" represent? Imaginary Numbers Infinite Numbers Indefinite Numbers Irrational Numbers

8. Since every even number is divisible by 2, there are no even prime numbers. True False

9. The number 12 has 6 factors: 1, 2, 3, 4, 6, and 12. If you add up those factors you will get 28. Because of this fact, and the special properties of 6 and 28, the number 12 is called a _______ number. Answer: (One Word)

10. What is extremely special about these two numbers: 220 and 284? They are ______ pairs. Answer: (One word)