| 100% | TWO | 3 | The first even number |
| 71% | TWO | 3 | First even number |
| 69% | ONE | 3 | The first counting number |
| 69% | ONE | 3 | The first odd number |
| 69% | UNIT | 4 | The first natural number |
| 65% | EIGHT | 5 | The first number alphabetically |
| 64% | ONE | 3 | The first positive odd number |
| 64% | TEN | 3 | The first two-digit number |
| 64% | THREE | 5 | The first odd prime number |
| 64% | TEN | 3 | The first two digit number |
| 64% | TEN | 3 | The first double digit number |
| 63% | TWO | 3 | First positive even number |
| 62% | TEN | 3 | The first number to have two digits |
| 59% | TWO | 3 | The only even prime number |
| 59% | TEN | 3 | Sum of the first three prime numbers |
| 58% | SYSTOLIC | 8 | Term for the first (higher) blood pressure number |
| 58% | TWO | 3 | First and only even prime number |
| 57% | ODD | 3 | The opposite of even, as with numbers |
| 57% | TWO | 3 | First of the “magic numbers” in physics |
| 56% | THOUSAND | 8 | This is the first number to have the letter "A" |
| 56% | SYSTOLICD | 9 | What the first number represents in a certain diagnostic test |
| 56% | TWO | 3 | Its square root was likely the first known irrational number |
| 56% | EVEN | 4 | Like the first prime number (but no others) |
| 55% | ZEROTH | 6 | Preceding even the first |
| 54% | TEN | 3 | First of the double-digit numbers |
| 54% | GEHRIG | 6 | Yankee who was the first major-leaguer to have his number retired |
| 54% | ELEVEN | 6 | Number of the Apollo who first landed on the moon |
| 54% | ESTONIA | 7 | Where the first five counting numbers are "üks kaks kolm neli viis" |
| 54% | GEHRIG | 6 | Player with the first retired number in baseball |
| 53% | BUST | 4 | Measurement signified by the first number in a dressmaker's "38-26-36" |