How should I practice Count Palindromic Base Representations?

Start by reading the full statement, solve the visible examples, then compare the pattern against related SEDEMAC online assessment problems in FastPrep.

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Count Palindromic Base Representations

SEDEMAC● EasyNEW GRADOA

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Problem statement

For each integer base from 2 through 16, convert the positive integer value to that base. Return how many of those digit sequences read the same from left to right and right to left. Digits are compared by numeric value, so bases above ten need no special text encoding.

Function

countPalindromicBases(value: int) → int

Examples

Example 1

value = 9return = 9

The binary and base-eight forms are palindromes, and every base above nine uses one digit.

Example 2

value = 5return = 13

Each base is checked independently using its digit sequence.

Constraints

1 <= value <= 1000000000
bases 2 through 16 are inclusive