Nice expression for the usage test. Maybe one can add function "dec2base", cause the return type is a String.
The problem description should mention that dec2base isn't allowed either.
This will fail to detect certain palindromes which contain zero e.g. 10101 however the test suite doesn't (yet) contain any such.
There's something strange with the Cody test suites today...
Make a Palindrome Number
Back to basics 13 - Input variables
Matrix with different incremental runs
Sum the numbers on the main diagonal
Sum of odd numbers in a matrix
Great Circle Distance
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Next Lower Power of B
Number of Circles in a Number
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