- 1. Which number is used to represent infinity in Japanese mythology?
A) 9,000,000
B) 8,000,000
C) 9,999,999
D) 8,888,888
- 2. How many prime knots with 17 crossings are there?
A) 8,053,393
B) 8,399,329
C) 8,108,731
D) 8,388,607
- 3. Which number is a repunit prime in base 14?
A) 8,888,888
B) 8,108,731
C) 9,999,999
D) 8,675,309
- 4. What is the second composite Mersenne number with a prime exponent?
A) 8,436,379
B) 8,389,137
C) 8,388,608
D) 8,388,607
- 5. Which of these is a Markov number?
A) 8,436,379
B) 8,399,329
C) 8,053,393
D) 8,389,137
- 6. Which number is a Wedderburn-Etherington number?
A) 8,399,329
B) 8,675,309
C) 8,436,379
D) 8,503,056
- 7. Which number is associated with a Tommy Tutone hit song?
A) 8,675,311
B) 8,946,176
C) 8,888,888
D) 8,675,309
- 8. How many nonnegative integers have distinct decimal digits?
A) 8,964,800
B) 9,699,690
C) 8,877,691
D) 8,675,309
- 9. Which number is a self-descriptive number in base 8?
A) 9,694,845
B) 8,436,379
C) 8,888,888
D) 8,946,176
- 10. What number is the first strong pseudoprime to have a multiplicative order above 100,000?
A) 9,647,009
B) 9,069,229
C) 9,369,319
D) 9,694,845
- 11. Which number is a Newman–Shanks–Williams prime?
A) 9,369,319
B) 9,069,229
C) 9,647,009
D) 9,999,991
- 12. What is the eighth primorial?
A) 9,699,690
B) 9,694,845
C) 9,261,000
D) 9,938,375
- 13. What is the largest 7-digit cube?
A) 9,938,375
B) 9,834,496
C) 9,765,625
D) 9,150,625
- 14. What is the largest 7-digit prime number?
A) 9,069,229
B) 9,699,690
C) 9,997,156
D) 9,999,991
- 15. What is the largest prime number smaller than 1,000,000?
A) 999,983
B) 1,000,000
C) 999,999
D) 999,991
- 16. How many primes are there between 1,000,000 and 2,000,000?
A) 62,090
B) 70,435
C) 62,712
D) 67,883
- 17. What is the total number of prime numbers between 1,000,000 and 10,000,000?
A) 500,000
B) 78,498
C) 600,000
D) 586,081
- 18. How many primes are there between 9,000,000 and 10,000,000?
A) 70,435
B) 62,090
C) 63,129
D) 64,336
- 19. Which number is the largest 7-digit square?
A) 9,998,244
B) 9,834,496
C) 9,653,449
D) 9,150,625
- 20. Which number is the sixth term of Sylvester's sequence?
A) 4,444,444
B) 3,263,443
C) 3,333,333
D) 3,111,696
- 21. What is 10! equal to?
A) 3,301,819
B) 4,194,304
C) 3,524,578
D) 3,628,800
- 22. Which number is a Markov prime?
A) 6,625,109
B) 4,400,489
C) 3,276,509
D) 3,626,149
- 23. How many free 15-ominoes are there?
A) 5,049,816
B) 3,426,576
C) 3,554,688
D) 5,623,756
- 24. Which number is the 12th colossally abundant number?
A) 4,213,597
B) 4,805,595
C) 4,194,304
D) 4,324,320
- 25. Which of these is a Bell number?
A) 6,536,382
B) 4,213,597
C) 4,805,595
D) 4,260,282
- 26. Which number is the Fine number?
A) 4,805,595
B) 4,213,597
C) 4,260,282
D) 4,324,320
- 27. What is the number of reduced trees with 31 nodes?
A) 4,260,282
B) 6,536,382
C) 5,049,816
D) 5,623,756
- 28. Which number is the Riordan number?
A) 6,536,382
B) 4,213,597
C) 4,805,595
D) 4,260,282
- 29. Which number is the Large Schröder number?
A) 4,805,595
B) 5,293,446
C) 6,536,382
D) 4,260,282
- 30. What is the number of primes under 100,000,000?
A) 5,096,876
B) 5,761,455
C) 3,626,149
D) 5,702,887
- 31. Which number is a Motzkin number?
A) 5,293,446
B) 4,260,282
C) 6,536,382
D) 4,805,595
- 32. Which number is the largest n-digit pandigital prime?
A) 3,626,149
B) 7,652,413
C) 6,625,109
D) 3,276,509
- 33. Which number is a Keith number?
A) 7,652,413
B) 7,861,953
C) 5,761,455
D) 7,913,837
- 34. What number of beads does a binary necklace have in the definition of 4,794,088?
A) 22
B) 15
C) 29
D) 28
- 35. Which of these is 2-automorphic?
A) 3,200,000
B) 4,444,444
C) 7,109,376
D) 3,554,688
- 36. Which number is the smallest n such that the sum of reciprocals of primes up to n exceeds 3?
A) 5,096,876
B) 4,037,913
C) 4,210,818
D) 5,195,977
- 37. Which of these is a Wedderburn–Etherington prime?
A) 6,625,109
B) 3,626,149
C) 4,400,489
D) 3,276,509
- 38. What is the sum of the first ten factorials?
A) 4,037,913
B) 4,213,597
C) 4,782,969
D) 3,301,819
- 39. What is the double factorial of 15?
A) 2,012,674
B) 2,085,136
C) 2,027,025
D) 2,118,107
- 40. Which number is the largest known Wolstenholme prime?
A) 2,692,537
B) 2,124,679
C) 2,097,593
D) 2,796,203
- 41. How many trees have 21 unlabelled nodes?
A) 2,266,502
B) 2,144,505
C) 2,567,284
D) 2,515,169
- 42. Which number is the 41st highly composite number and 2079th triangular number?
A) 2,178,309
B) 2,744,210
C) 2,222,222
D) 2,162,160
- 43. Which number represents the count of different ways to express 1,000,000,000 as the sum of two prime numbers?
A) 2,144,505
B) 2,274,205
C) 2,405,236
D) 2,598,560
- 44. Which number is known as a Motzkin number?
A) 2,313,441
B) 2,674,440
C) 2,356,779
D) 2,646,723
- 45. What is the chance of getting a royal flush in a hand of poker?
A) 2,356,779
B) 2,405,236
C) 2,598,560
D) 2,485,534
- 46. Which number is the little Schröder number?
A) 2,646,723
B) 2,356,779
C) 2,744,210
D) 2,674,440
- 47. Which number is a Leonardo prime?
A) 2,796,203
B) 2,692,537
C) 2,097,593
D) 2,922,509
- 48. Which number is a Pell number?
A) 2,178,309
B) 2,744,210
C) 2,674,440
D) 2,646,723
- 49. Which number is both a Wagstaff prime and a Jacobsthal prime?
A) 2,922,509
B) 2,796,203
C) 2,097,593
D) 2,692,537
- 50. What is another name for 2,985,984?
A) A Leyland number
B) A repdigit
C) A great-great-gross
D) A Markov number
- 51. Which number is a 1-automorphic number?
A) 2,890,625
B) 2,177,399
C) 2,560,000
D) 2,222,222
- 52. What is the largest known generalized Wieferich prime in base 3, excluding 11?
A) 1,006,003
B) 1,000,003
C) 1,006,301
D) 1,136,689
- 53. Which number is a repunit?
A) 1,112,083
B) 1,234,321
C) 1,111,111
D) 1,000,001
- 54. Which number is the 100,000th prime number?
A) 1,686,049
B) 1,000,003
C) 1,299,709
D) 1,441,889
- 55. What value equals 116 and was mentioned in Star Trek?
A) 1,002,001
B) 1,771,561
C) 1,234,321
D) 1,030,301
- 56. Which number is equal to the sum of the seventh power of its digits?
A) 1,741,725
B) 1,953,125
C) 1,594,323
D) 1,185,921
- 57. From which language is the word 'million' derived?
A) Greek
B) French
C) Italian
D) Latin
- 58. What is the SI prefix used for 1,000,000?
A) Mega
B) Milli
C) Giga
D) Kilo
- 59. 1,000,000 is the cube of what number?
A) 1,000
B) 10
C) 100
D) 50
- 60. Approximately how many pages of pulp paperback fiction contain one million characters?
A) 1,000
B) 600
C) 136
D) 50
- 61. How many days is a million seconds?
A) 24 days
B) 11.57 days
C) 115 days
D) 1.15 days
- 62. In Indian and Pakistani English, what is 1,000,000 expressed as?
A) 10 lakh
B) 1,000 lakh
C) 1 lakh
D) 100 lakh
- 63. The word 'million' is common to which two numbering systems?
A) Binary and Decimal
B) Short scale and long scale
C) Roman and Arabic
D) Metric and Imperial
- 64. Which abbreviation for 1,000,000 should not be confused with the Roman numeral 2,000?
A) M
B) m
C) MM
D) mio
|