The California lottery announces results on TV at precisely 7:57 P.M. [Haga]
The Boeing 757 has the lowest operating cost per seat-mile of any single-aisle jetliner in its class and a lower cost per trip than any twin-aisle airplane.
The smallest palindromic prime that remains prime when its leading digit is replaced by any nonzero digit that is a power of two. [Russo]
The largest of three 3-digit palindromic primes that are
not the sum of consecutive composite numbers. The other two
are 313 and 383. [Loungrides]
Smallest multidigit palindromic prime of the form ceiling((n^2)/4). [Post]
There are 757 three-digit composite numbers. Their sum is a prime nunber.
(There are 9 curios for this number that have not yet been approved by an editor.)