Problem 51570. Count numbers whose reciprocals' decimal expansions terminate

Solution Comments

Show comments

Problem Recent Solvers16

Suggested Problems

• Find the longest sequence of 1's in a binary sequence.

  6822 Solvers

• Circumscribed circles

  521 Solvers

• Magic is simple (for beginners)

  11648 Solvers

• Finding peaks

  489 Solvers

• Is this triangle right-angled?

  6786 Solvers

More from this Author328

• Compute the largest number whose prime factors sum to n

  17 Solvers

• Find a number m such that 2m and the square of m have the same digit sum

  8 Solvers

• Remove the diagonal of a square matrix

  18 Solvers

• List numbers such that every sum of consecutive positive integers ending in those numbers is not prime

  9 Solvers

• Measure the hydraulic conductivity with a constant-head permeameter

  21 Solvers