Wonderful Numerical Patterns and Coincidences

When nine is multiplied by any digit, the sum of the digits in the product equals nine.

If you subtract a two-digit number from its reverse, the remainder will always be nine.

Multiplying 37 by 3, or its multiples up to 27, results in a product of three similar digits.

Five successive early US presidents were each born eight years after their predecessor.

Three out of five successive early US presidents died on the Anniversary of Independence.