Divisor 13863

To determine if any number is divisible by 13863, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 4621 - then it is divisible by 13863.

The following tests must pass:

• Test if a number is divisible by 3
• The "Nathan Test" for Divisibility by 4621

Easy!