Name that Number!

Random Science or math Quiz

Can you name the numbers less than or equal to 25?

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How to Play
Score 0/25 Timer 08:00
x + x = x * x = this number
Triangle number before 21
Neither prime nor composite
Only even prime
Lowest two-digit power of two
Number of Platonic solids
Fibonacci number before 21
Highest power of 3 one greater than a power of 2
Sum of first 6 positive integers
Number of points needed to determine a plane
Multiplicative inverse of 0.05
Factorial of 4
Number of possible partitions of a circle that can be made with 6 lines
Lowest perfect square that is the sum of two other perfect squares
Smallest even perfect cube
Half of second-lowest perfect number
Second lowest number less than the sum of its factors (excluding itself)
Maximum number of unit cubes visible at one time in a 3x3x3 cube
Number of ways to rearrange the letters in 'THAT'
Smallest prime factor of 91
Number of sides in an undecagon
Lowest non-palindromic number
The lowest number that is the sum of a positive perfect cube and a positive perfect square in two ways
Lowest perfect number
Smallest number that cannot be expressed as the sum of eight or fewer perfect cubes

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Created Feb 5, 2012Curator's PickReportNominate
Tags:math, Numbers, 25, name, prime, Prime Numbers