If a number is divisible by the number formed by the first and last digit of that number then it is defined as a gapful number.

https://oeis.org/A108343

Find the number of gapful numbers up to n.

Solve

Solution Stats

47 Solutions

21 Solvers

Last Solution submitted on Jul 13, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers21

Chris Cleveland George Berken Alexander Ross Lorenzo

Suggested Problems

More from this Author174

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!