216

This number is a composite.

Single Curio View:   (Seek other curios for this number)
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]

Submitted: 2017-03-16 21:24:19;   Last Modified: 2017-03-17 06:34:30.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell