Number enthusiasts may be looking to the new year with a touch of melancholy. Another perfect square like 2025 (45 2 = 2,025) ...

PeopleWin reports five surprising facts about mobile numbers, highlighting issues like recycling, dual-SIM growth, and area ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Rosenston is a fact-checker and researcher with expertise in business, finance, and ...

Verizon has announced Second Number, which will let customers add a second number to their phones. The service is available to all Verizon postpaid customers with a dual-SIM device. Second Number is ...

Rebecca Lake is a certified educator in personal finance (CEPF) and a banking expert. She's been writing about personal finance since 2014, and her work has appeared in numerous publications online.

Business owners can get a DUNS number for free through the business credit bureau Dun & Bradstreet. Many, or all, of the products featured on this page are from our advertising partners who compensate ...

What is your favorite number? For many people, it may be an irrational number such as pi (π), Euler’s number (e) or the square root of 2. Even among the natural numbers (positive integers), there are ...