This page contains numbers appearing in recreational mathematics.
List of numbers appearing in recreational mathematics
A photo of a car with a license plate containing the number 69696.
- The number 121 is the fourth largest undulating square number; this has been proved by David Moews.
- 125 is a Canada number.
- The number 343 is the largest known undulating perfect power with an exponent larger than 2.
- The number 484 is the third largest undulating square number; this has been proved by David Moews.
- 581 is a Canada number.
- The number 676 is the second largest undulating square number; this has been proved by David Moews.
- 728 is the smaller number in the first Smith brother pair.
- 729 is the larger number in the first Smith brother pair.
- 8,549 and 16,999 are the two largest Canada numbers.
- The number 69,696 is the largest undulating square number; this has been proved by David Moews.