616

616 = 2 x 2 x 2 x 7 x 11.

616 is a heptagonal number (A000566). It is also a tridecagonal number (A051865).

616 is a Padovan number (A000931).

616 is 211211 in base 3. It is 434 in base 12 (A029967).

616 is the sum of eight positive fifth powers (A003353).

Source: On-Line Encyclopedia of Integer Sequences