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Home / Quizzes / Number Nerd Alert: Test Your Knowledge with These 123 Questions!

Number Nerd Alert: Test Your Knowledge with These 123 Questions!

April 20, 2023 By Jamie Rotante Leave a Comment

Scattered white numbers against a red background with text atop it that reads "123 trivia questions about numbers"

Hey there, number nerds! Are you ready to prime your brains and cube your knowledge? If you think you have what it takes to square off against the best and brightest, then take a shot at our number trivia quiz! From oddities to even more oddities, we’ll test your knowledge on all things numerically amusing. So don’t be a square, join in on the fun!

1. What is the first number with a letter ‘a’ in its name?

Show answer
One thousand

2. What is the largest known prime number as of my knowledge cutoff date in September 2021?

Show answer
282,589,933−1

3. What is the world’s most expensive number plate, and how much did it sell for?

Show answer
“1” for $14.3 million

4. What unique characteristic do all strobogrammatic numbers have?

Show answer
They appear the same when rotated 180 degrees

5. Which famous mathematician introduced the concept of zero to the Western world?

Show answer
Leonardo Fibonacci

6. Which mathematical constant has a value of approximately 3.14159?

Show answer
Pi (π)

7. What is the first number that is both a square and a cube?

Show answer
64

8. What is the sum of the first 10 natural numbers?

Show answer
55

9. What is the most abundant number less than 100?

Show answer
60

10. What unique feature do Smith numbers possess?

Show answer
Sum of their digits equals the sum of the digits of their prime factors

11. What is the only number that is both triangular and square?

Show answer
1

12. Which number is known as the Devil’s Number?

Show answer
666

13. What mathematical concept was introduced by the Indian mathematician and astronomer Aryabhata?

Show answer
Place-value notation

14. Which number comes next in the Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8?

Show answer
13

15. What unique property do numbers in the sequence of Lucas numbers possess?

Show answer
Each number is the sum of the two preceding ones, starting with 2 and 1

16. What is the first perfect number?

Show answer
6

17. What is the only known odd perfect number?

Show answer
None known

18. What do you call a number whose divisors (excluding itself) add up to more than the number itself?

Show answer
Abundant number

19. Which number system is also known as the base-16 system?

Show answer
Hexadecimal

20. What is the smallest odd abundant number?

Show answer
945

21. Which ancient civilization invented the base-60 numeral system?

Show answer
Sumerians

22. What is the largest three-digit palindrome number?

Show answer
999

23. In which year was the concept of negative numbers first documented?

Show answer
Around 200 BCE

24. What is the sum of all even numbers between 1 and 100?

Show answer
2550

25. Which famous number sequence starts with 1, 2, 4, 8, 16?

Show answer
Powers of 2

26. In Roman numerals, what does the letter ‘M’ represent?

Show answer
1000

27. What is the first number that is both a square and a cube after 64?

Show answer
729

28. Which ancient civilization used a base-20 number system?

Show answer
Mayans

29. What unique property do numbers in the sequence of Padovan numbers possess?

Show answer
Each number is the sum of the two preceding ones with a lag of two, starting with 1, 1, 1

30. What is the smallest integer that cannot be expressed as the sum of distinct triangular numbers?

Show answer
47

31. What is the largest four-digit prime number?

Show answer
9973

32. What is the first composite number?

Show answer
4

33. What do you call a number that is equal to the sum of its divisors, excluding itself?

Show answer
Perfect number

34. What is the smallest prime number?

Show answer
2

35. In which century did the modern Arabic numeral system originate?

Show answer
9th century

36. What is the only number that is equal to the sum of the integers below it?

Show answer
1

37. What is the only two-digit number that is both a square and a cube?

Show answer
64

38. What is the first number that is the sum of two consecutive cubes?

Show answer
35 (2^3 + 3^3)

39. What is the first four-digit perfect square?

Show answer
1024

40. What is the smallest three-digit prime number?

Show answer
101

41. What do you call a number that is the sum of the first n odd numbers?

Show answer
Square number

42. What is the largest two-digit triangular number?

Show answer
45

43. In Roman numerals, what does the letter ‘D’ represent?

Show answer
500

44. What is the first five-digit prime number?

Show answer
10007

45. What unique property do numbers in the sequence of Pell numbers possess?

Show answer
Each number is the sum of twice the previous number and the number before that, starting with 0 and 1

46. What is the largest known number with no known use or purpose?

Show answer
Graham’s number

47. What is the smallest odd composite number?

Show answer
9

48. Which ancient civilization used a base-12 number system?

Show answer
Babylonians

49. What is the smallest two-digit number that is both a square and a cube?

Show answer
64

50. What is the smallest two-digit number that can be expressed as the sum of two distinct prime numbers?

Show answer
12

51. What is the sum of all odd numbers between 1 and 100?

Show answer
2500

52. In which century was the concept of irrational numbers first documented?

Show answer
5th century BCE

53. What is the largest three-digit number that is both a square and a cube?

Show answer
729

54. In Roman numerals, what does the letter ‘C’ represent?

Show answer
100

55. Which number system is also known as the base-2 system?

Show answer
Binary

56. What unique property do numbers in the sequence of Jacobsthal numbers possess?

Show answer
Each number is the sum of the previous number and twice the number before that, starting with 0 and 1

57. Which famous mathematician formulated the Last Theorem?

Show answer
Pierre de Fermat

58. What is the smallest three-digit perfect cube?

Show answer
125

59. What is the sum of the first 100 natural numbers?

Show answer
5050

60. In which century was the concept of complex numbers first documented?

Show answer
16th century

61. What is the smallest two-digit perfect square?

Show answer
16

62. What is the first prime number after 100?

Show answer
101

63. Which famous mathematician invented the method of exhaustion?

Show answer
Eudoxus of Cnidus

64. What unique property do numbers in the sequence of Catalan numbers possess?

Show answer
Each number is the number of certain combinatorial structures, such as the number of noncrossing partitions of a set

65. What is the largest two-digit perfect cube?

Show answer
64

66. In Roman numerals, what does the letter ‘L’ represent?

Show answer
50

67. What is the smallest three-digit perfect square?

Show answer
100

68. What unique property do numbers in the sequence of Mersenne numbers possess?

Show answer
Each number is one less than a power of 2

69. What is the smallest integer that cannot be expressed as the sum of distinct squares?

Show answer
128

70. Which ancient civilization used a base-5 number system?

Show answer
Incas

71. What is the first four-digit prime number?

Show answer
1009

72. What is the smallest three-digit triangular number?

Show answer
105

73. What is the largest two-digit perfect square?

Show answer
81

74. Which famous mathematician first proved the irrationality of the square root of 2?

Show answer
Hippasus of Metapontum

75. What unique property do numbers in the sequence of Bell numbers possess?

Show answer
Each number is the number of ways to partition a set of size n

76. What is the largest three-digit prime number?

Show answer
997

77. What is the first number that can be expressed as the sum of two distinct prime numbers in two different ways?

Show answer
12

78. In Roman numerals, what does the letter ‘X’ represent?

Show answer
10

79. Which number system is also known as the base-8 system?

Show answer
Octal

80. What unique property do numbers in the sequence of figurate numbers possess?

Show answer
Each number can be represented by a regular geometric arrangement of equally spaced points

81. What is the first number that is both a square and a cube after 729?

Show answer
4096

82. What is the first number that is both a square and a cube after 4096?

Show answer
15,625

83. What is the largest three-digit number that can be expressed as the sum of distinct prime numbers?

Show answer
998

84. What unique property do numbers in the sequence of Euler numbers possess?

Show answer
Each number is related to the number of alternating permutations of a set

85. What is the smallest four-digit perfect square?

Show answer
1024

86. What is the largest four-digit perfect cube?

Show answer
9261

87. Which famous mathematician was known as the “Prince of Mathematicians”?

Show answer
Carl Friedrich Gauss

88. In Roman numerals, what does the letter ‘V’ represent?

Show answer
5

89. What unique property do numbers in the sequence of Fortunate numbers possess?

Show answer
Each number is the smallest positive integer greater than 1, which, when added to the primorial of n, gives a prime

90. What is the first five-digit perfect cube?

Show answer
10,648

91. What is the largest two-digit triangular number that is also a palindrome?

Show answer
66

92. What is the smallest four-digit triangular number?

Show answer
1035

93. What unique property do numbers in the sequence of Happy numbers possess?

Show answer
They eventually reach the number 1 when the sum of the squares of their digits is repeatedly calculated

94. In Roman numerals, what does the letter ‘I’ represent?

Show answer
1

95. What is the first prime number after 200?

Show answer
211

96. What unique property do numbers in the sequence of Harshad numbers possess?

Show answer
They are divisible by the sum of their digits

97. Which famous mathematician is associated with the invention of the method of coordinates?

Show answer
René Descartes

98. What is the smallest four-digit perfect cube?

Show answer
1000

99. What unique property do numbers in the sequence of Keith numbers possess?

Show answer
Each number is the sum of its digits and the successive sums of its digits, eventually reaching the original number

100. What is the first five-digit perfect square?

Show answer
10,000

101. What is the first prime number after 300?

Show answer
307

102. Which famous mathematician is known for the development of the theory of probability?

Show answer
Pierre-Simon Laplace

103. What unique property do numbers in the sequence of Leyland numbers possess?

Show answer
Each number is the sum of two positive integers raised to the power of each other

104. What is the first four-digit number that is both a square and a cube?

Show answer
4096

105. In Roman numerals, what does the letter ‘M’ represent?

Show answer
1000

106. What unique property do numbers in the sequence of Markov numbers possess?

Show answer
They are solutions to a
Diophantine equation and are related to the golden ratio

107. What is the smallest five-digit prime number?

Show answer
10,007

108. What is the first prime number after 400?

Show answer
409

109. What unique property do numbers in the sequence of Lucas numbers possess?

Show answer
Each number is the sum of the two preceding numbers in the sequence

110. What is the smallest six-digit perfect square?

Show answer
100,000

111. Which famous mathematician formulated the Fundamental Theorem of Algebra?

Show answer
Carl Friedrich Gauss

112. What is the first five-digit prime number?

Show answer
10007

113. What unique property do numbers in the sequence of Mian-Chowla numbers possess?

Show answer
They are solutions to a Diophantine equation and are related to the Riemann Hypothesis

114. In Roman numerals, what does the letter ‘D’ represent?

Show answer
500

115. What is the largest two-digit number that can be expressed as the sum of two squares?

Show answer
98

116. What unique property do numbers in the sequence of Megaloid numbers possess?

Show answer
Each number can be expressed as the sum of two palindromic squares in exactly one way

117. What is the first prime number after 500?

Show answer
503

118. What is the smallest six-digit palindrome number?

Show answer
100,001

119. What unique property do numbers in the sequence of Motzkin numbers possess?

Show answer
Each number is the number of certain combinatorial structures, such as the number of lattice paths from (0,0) to (n,n)

120. In Roman numerals, what does the letter ‘C’ represent?

Show answer
100

121. What is the first prime number after 600?

Show answer
607

122. What unique property do numbers in the sequence of Pell-Lucas numbers possess?

Show answer
They are solutions to a quadratic Diophantine equation and are related to the golden ratio

123. What is the largest two-digit number that can be expressed as the sum of two cubes?

Show answer
91

Final Words

Thanks for playing along with us, number nerds! If you’re looking for more quizzes to test your trivia skills, be sure to check out Trivia Bliss’s other quizzes. Who knows, maybe you’ll find a new favorite!

Filed Under: Quizzes Tagged With: number quiz, number trivia, numbers, numerology, questions and answers, quiz, quizzes, trivia, trivia about numbers, trivia questions, trivia questions and answers

About Jamie Rotante

Jamie is an Editor/Writer from New York and the lead editor at Trivia Bliss. She's been an avid trivia fan for years and has even been a part of a few pub league trivia competitions. Aside from editing for Trivia Bliss, she's also a professional comics editor and writer. In her free time, she loves reading, writing, listening to music, and attending her local weekly trivia night, hosted by her husband!

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