Number enthusiasts may be looking to the new year with a touch of melancholy. Another perfect square like 2025 (45 2 = 2,025) won’t occur again until 2116 (46 2 = 2,116). The year 2027 will be a prime ...

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 ...

A resale number allows your business to avoid paying sales taxes on items purchased for resale to customers. A tax ID number, on the other hand, identifies your business in your dealings with tax ...

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 ...