The concept of frugal numbers was first introduced by Sri Lankan mathematician, Badulla, in the 1980s. Since then, these numbers have been studied extensively due to their unique properties and potential applications in number theory. A frugal number is a positive integer $n$ such that the number of digits in its prime factorization is greater than the number of digits in $n$ itself.
Websites like (private, invitation-only) and certain LinkedIn groups dedicated to "Sri Lanka P2P Logistics" occasionally post a rotating hash. You need an existing Diamond-tier number to receive the login OTP. Without a referrer, you cannot register. badulla badu numbers top
The definition (as popularized in certain puzzle communities) is: The concept of frugal numbers was first introduced
City Information - Badulla Municipal Council in the 1980s. Since then