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In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned." Ban numbers are not precisely defined, since some large numbers do not follow the standards of number names (such as googol and googolplex ).
The oldest reference to the origin of scam letters could be found at the Spanish Prisoner scam. [1] This scam dates back to the 1580s, where the fictitious prisoner would promise to share non-existent treasure with the person who would send him money to bribe the guards.
• Fake email addresses - Malicious actors sometimes send from email addresses made to look like an official email address but in fact is missing a letter(s), misspelled, replaces a letter with a lookalike number (e.g. “O” and “0”), or originates from free email services that would not be used for official communications.
The Justice Department has charged 64 people in a fraud case they say bilked $300 million from more than 100,000 victims.
Recreational mathematics is inspired by deep ideas that are hidden in puzzles, games, and other forms of play. The aim of the SIGMAA on Recreational Mathematics (SIGMAA-Rec) is to bring together enthusiasts and researchers in the myriad of topics that fall under recreational math. We will share results and ideas from our work, show that real ...
This is an example of what a local official says is a scam letter trying to convince people to buy a home warranty. Personal information from the homeowner, which was included in the letter, has ...
Scammers can use your email to target you directly. And, unfortunately, plenty of email phishing scams today are more sophisticated than the older varieties that would directly ask for your ...
Phishing scams happen when you receive an email that looks like it came from a company you trust (like AOL), but is ultimately from a hacker trying to get your information. All legitimate AOL Mail will be marked as either Certified Mail, if its an official marketing email, or Official Mail, if it's an important account email. If you get an ...