The smallest positive integer... - Statistics

General Stats
  • This quiz has been taken 12 times
  • The average score is 12 of 19
Answer Stats
The smallest positive integer that ... Number % Correct
exists 1
100%
is prime 2
100%
is odd and not prime (except 1) 9
100%
is not a Fibonacci number 4
82%
is perfect 6
82%
is the product of two distinct primes 6
82%
is the product of three distinct primes 30
73%
is not a power of a prime number 6
73%
is sublime 12
55%
is an emirp, i.e. a prime number which results in a different prime when the digits are reversed 13
55%
is both a square number and the sum of two positive squares 25
55%
is both a square number and a triangular number (except 1) 36
55%
The smallest number of colours that is needed to colour the regions of any flat map, such that no two adjacent regions have the same colour 4
55%
the sum of its factors is bigger than itself 12
45%
has every number from 2 to 7 as a factor 420
45%
The smallest number of sides of a polygon that cannot be constructed with compass and straightedge 7
45%
The smallest number of turns that is needed to solve any Rubik's cube 20
36%
can be written as the sum of two positive squares in two distinct ways 50
9%
The smallest number of moves to solve any 15-puzzle 80
9%
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