Divisor 16581

To determine if any number is divisible by 16581, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 5527 - then it is divisible by 16581.

The following tests must pass:

• Test if a number is divisible by 3
• The "Anklejbiter Test" for Divisibility by 5527

Easy!