246 is the lowest number (and the only one with three factors) whose unique prime factorization contains exactly the first four digits.
246 is 1441 in base 5 and 303 in base 9.
246 is the sum of four positive fifth powers: 246 = 35 + 15 + 15 + 15.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3c6sXEJ-b4ts0ohb9Lp4iWpYA808HNqXOLAj7dmoNRrmSTpqU4FBf9kX5zvjRbz0e4_pSkrLv3D2ZklqsW8zSMCWr6NKYNw4ew7PVWLJvAFyvWlAiJnSutVGjcqJ1tVCyFCEYHx9joTc/s200/n0246.jpg)
Source: Prime Curios!