293 is the natural number following 292 and preceding 294.
In mathematics 293 is: a prime number, a Pythagorean prime, a Sophie Germain prime a Chen prime strictly trivially polygonal (number n that is polygonal in only 2 ways: 2-gonal and n-gonal) equivalent to the sum of the first three tetradic primes. Tetradic numbers are numbers that are the same if written backwards, flipped upside-down, or mirrored upside-down and tetradic primes are tetradic numbers that are also prime. It is the sum of 11 + 101 + 181. the sum of perfect cubes 23+23+33+53+53
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