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. Rational Deficient Mersenne Prime

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

3. What is the name for the type of number that cannot be written as a ratio of two integers? Abundant Irrational Deficient 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? Mersenne Primes Leibniz Primes Fermat Primes Newton Primes

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