Divisor 21927

To determine if any number is divisible by 21927, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 7309 - then it is divisible by 21927.

The following tests must pass:

• Test if a number is divisible by 3
• The "Nathan Stanifer Test" for Divisibility by 7309

Easy!