27 is the Natural number that follows 26 and precedes 28. It is also a perfect Cube, being the third power of three.
In Poker, a popular meme refers to the "27 rule," which dictates that players receiving a 2-7 offsuit Poker Hand should play it until the River. Despite being statistically the worst starting hand, its perceived rarity has led to a belief among some players that it is, paradoxically, the luckiest.