Divisor 16689

To determine if any number is divisible by 16689, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 5563 - then it is divisible by 16689.

The following tests must pass:

• Test if a number is divisible by 3
• The "Beon Test" for Divisibility by 5563

Easy!