Statistics for The smallest positive integer...

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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	78%
is perfect	6	78%
is the product of two distinct primes	6	78%
is the product of three distinct primes	30	67%
is not a power of a prime number	6	67%
is sublime	12	56%
is both a square number and a triangular number (except 1)	36	56%
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	56%
the sum of its factors is bigger than itself	12	44%
is an emirp, i.e. a prime number which results in a different prime when the digits are reversed	13	44%
is both a square number and the sum of two positive squares	25	44%
The smallest number of sides of a polygon that cannot be constructed with compass and straightedge	7	44%
The smallest number of turns that is needed to solve any Rubik's cube	20	33%
has every number from 2 to 7 as a factor	420	33%
The smallest number of moves to solve any 15-puzzle	80	11%
can be written as the sum of two positive squares in two distinct ways	50	0%

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