## Integer n such that φ(n) = φ(n+1) = φ(n+2)

$\phi \, (n) \; = \; \phi \, (n+1) \; = \; \phi \, (n+2)$

5186   is the least integer which satisfies that equation

$\phi \, (5186) \; = \; \phi \, (5187) \; = \; \phi \, (5188) \; = \; 2592$