| Hint | Answer | % Correct |
|---|---|---|
| The only even prime number | 2 | 86%
|
| The area of a circle is this times radius squared | π | 82%
|
| The multiplicative identity | 1 | 82%
|
| A number commonly skipped in American buildings because it is thought to be unlucky | 13 | 68%
|
| The base of the natural logarithm | e | 68%
|
| The second perfect cube | 8 | 61%
|
| This squared equals -1 | i | 57%
|
| A ratio claimed to be aesthetically pleasing | φ | 46%
|
| The additive identity | 0 | 46%
|
| The 32-bit signed integer limit | 2147483647 | 14%
|