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Party Like It's 999! Trivia Quiz

This quiz is about the fun number 999. Enjoy!

A multiple-choice quiz by dustman77. Estimated time: 4 mins.

Author
dustman77

Time
4 mins

Type
Multiple Choice

Quiz #
352,596

Updated
Feb 26 22

# Qns
10

Difficulty
Average

Avg Score
7 / 10

Plays
499

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Is 999 prime or composite? Why? Hint

Composite, because it has factors other than 1 and itself.

Composite, because it has no other factors besides 1 and itself.

Prime, because it has no other factors besides 1 and itself.

Prime, because it has factors other than 1 and itself.

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Question 2 of 10

2. Is 999 odd or even? Why? Hint

Even, because it cannot be evenly divided by 2.

Even, because it can be evenly divided by 2.

Odd, because it cannot be evenly divided by 2.

Odd, because it can be evenly divided by 2.

NEXT>

Question 3 of 10

3. Is 999 palindromic? Why or why not? Hint

Yes, because by flipping it upside-down, you still have a valid number. (666)

No, because its digits do not add up to be 0.

No, because it is not a multiple of 10.

Yes, because it is read the same frontwards and backwards.

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Question 4 of 10

4. If the number 999 is turned upside-down, what number do you get? Hint

Lightning McQueen's race car number in the film "Cars"

The zip code of the White House

The New Testament's mark of the beast

The amount of stairs in the Eiffel Tower

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Question 5 of 10

5. What is the prime factorization of 999? Hint

3^3 times 37

3^6

333 times 3

3^2 times 39

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Question 6 of 10

6. What is the square root of 999? Hint

3 radical 111

9 radical 111

3 radical 333

9 radical 333

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Question 7 of 10

7. Round 999 to the nearest tens place. Hint

9910

995

990

1000

8. Fun question! Add the digits to 999 until you get a single digit answer. For example, 12 would be 1+2 which is 3. After you get the digit, put this number as the ones, tens, and hundreds place number in order to get another three-digit number. What do you get? Hint

999

333

272727

399

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Question 9 of 10

9. What is the absolute value of 999? Hint

-999

999

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Question 10 of 10

10. Classify 999 under the groups to which it belongs. Hint

real, integer, natural, whole, rational

real, integer, natural, whole, irrational, perfect square

real, integer, natural, whole, rational, perfect square

real, integer, natural, whole, irrational

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Quiz Answer Key and Fun Facts

1. Is 999 prime or composite? Why?

Answer: Composite, because it has factors other than 1 and itself.

A prime number has no factors other than one and itself. A composite number is the opposite, meaning it has factors other than one and it self. The number 999 has other factors such as 3, 9, 111, 333, and so on.

2. Is 999 odd or even? Why?

Answer: Odd, because it cannot be evenly divided by 2.

An even number can evenly be divided by two. An odd number, however, cannot. If 999 was divided by two, it would be a mixed number. Since it cannot be evenly divided by two, it is odd.

3. Is 999 palindromic? Why or why not?

Answer: Yes, because it is read the same frontwards and backwards.

A palindrome is a word, number, or phrase that is read the same frontwards and backwards. For example, "race car" is a palindrome because backwards, it is still "race car". The number 999 fits this description because backwards, it is still "999".

4. If the number 999 is turned upside-down, what number do you get?

Answer: The New Testament's mark of the beast

The number 666 is known as the mark of the beast in the New Testament, but many scholars have also posited that it could also be 616.

5. What is the prime factorization of 999?

Answer: 3^3 times 37

The prime factorization of a number is the factors you can multiply together to get that number that are prime. For example, the prime factorization of four is two times two. In 999, you can multiply three by itself twice, and then by 37 to get 999.

6. What is the square root of 999?

Answer: 3 radical 111

To find the square root of a number that isn't a perfect square, find a calculator!

7. Round 999 to the nearest tens place.

Answer: 1000

The digit in the ones place, 9, rounds up. Since it rounds to ten, you must round the tens place. Since it is also a 9, you once again round up to ten which rounds you hundreds place digit up. Finally, since it is also a 9, you round up once more, which gives you an answer of 1000.

Answer: 999

Ha! You get 999, the number you started from. This number really is unique in this way. If you did this with any number made up entirely out of 9's, you'll get the same result.

9. What is the absolute value of 999?

Answer: 999

The absolute value of any number is always the distance that number is from zero on a number line. Therefore, it's always the number you started with unless it's negative, in which case you just make it positive.

10. Classify 999 under the groups to which it belongs.

Answer: real, integer, natural, whole, rational

Real numbers are any number that aren't imaginary. Integers are numbers you count by and their opposites. Natural numbers are numbers you count by. Whole numbers are numbers you count by and zero. Rational numbers are any number you can write as a fraction. Irrational numbers are numbers that you cannot write as a fraction. Perfect squares are any number you can take the square root of to get a whole number.

Source: Author dustman77

This quiz was reviewed by FunTrivia editor Pagiedamon before going online.
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