| Clue | Number |
|---|
| Highest power of 3 one greater than a power of 2 | |
| Lowest non-palindromic number | |
| Lowest two-digit power of two | |
| Number of Platonic solids | |
| Number of possible partitions of a circle that can be made with 6 lines | |
| Number of points needed to determine a plane | |
| Half of second-lowest perfect number | |
| Smallest prime factor of 91 | |
| Number of ways to rearrange the letters in 'THAT' | |
| Fibonacci number before 21 | |
| Sum of first 6 positive integers | |
| Triangle number before 21 | |
| Neither prime nor composite | |
| Only even prime | |
| Number of points needed to determine a plane | |
| x + x = x * x = this number | |
| Number of Platonic solids | |
| Lowest perfect number | |
| Smallest prime factor of 91 | |
| Smallest even perfect cube | |
| Highest power of 3 one greater than a power of 2 | |
| Lowest non-palindromic number | |
| Number of sides in an undecagon | |
| Number of ways to rearrange the letters in 'THAT' | |
| Fibonacci number before 21 | |
| Half of second-lowest perfect number | |
| Triangle number before 21 | |
| Lowest two-digit power of two | |
| The lowest number that is the sum of a positive perfect cube and a positive perfect square in two ways | |
| 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 | |
| Multiplicative inverse of 0.05 | |
| Sum of first 6 positive integers | |
| Number of possible partitions of a circle that can be made with 6 lines | |
| Smallest number that cannot be expressed as the sum of eight or fewer perfect cubes | |
| Factorial of 4 | |
| Lowest perfect square that is the sum of two other perfect squares | |
Periodic Table
Digits of Pi
Minute Math (Addition)
