@extra-number/divisor-sum
Sum divisors of number.
Sum divisors of number.
Get divisors of number.
Check if number is abundant.
Check if number is composite.
Check if number is natural.
Check if an object contains specified keys.
Convert number to Western system.
Check if a number is even.
Check if number is negative.
Check if number is odd.
Check if number is perfect.
Check if number is perfect square.
Check if number is postive.
Check if number is whole.
Remove falsy values from iterable, like .compact().
Check if iterable ends with value, like String.endsWith().
Conditionally set or clear bits of 32-bit integer, without branching (not method).
Replace value with another value in iterable, like String.replace().
Get index of first value in object that satisfies the test, like Array.findIndex().
Get keys of value in object, like Array.indexOf().