216

This number is a composite.

Just showing those entries submitted by 'Gupta': (Click here to show all)

The smallest untouchable number which is a cube. [Gupta]

The smallest and only known cube sandwiched between two triplets of semiprimes (i.e., 213=3*71, 214=2*107, 215=5*43 and 217=7*31, 218=2*109, 219=3*73). [Gupta]