270 (number)

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270 (two hundred [and] seventy) is the natural number following 269 and preceding 271.

• 270 is a harmonic divisor number.^[1]
• 270 is the fourth number that is divisible by its average integer divisor.^[2]
• 270 degrees is equal to three-fourths of a turn.^[3] This also means that ${\displaystyle 270^{\circ }={\frac {3\pi }{2}}}$ radians.^[4]
• ${\displaystyle 270+1}$ and ${\displaystyle 270-1}$ are both prime numbers, making 270 surrounded by twin primes.^[5]
• 270 is the number of divisors that ${\displaystyle 10!}$ (a factorial) has.^[6]