Divisor 16977

To determine if any number is divisible by 16977, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 5659 - then it is divisible by 16977.

The following tests must pass:

• Test if a number is divisible by 3
• The "David Božjak Test" for Divisibility by 5659

Easy!