The earliest phone number I can remember is the one I had in grad school: ... ≈ 93,475,343, which means that there are roughly 340,819,138 10-digit prime phone numbers.

But phone numbers can be hijacked, and a recent wave of phone-based identity theft raises concerns that wireless carriers are just not doing enough to protect customers. NPR's Martin Kaste reports.

Most people might to aim to hold between 10 and 20 stocks. Even those can take a lot of time to manage, though, so consider a low-fee, broad-market index fund, such as one that tracks the S&P 500 ...

How many phone numbers can you dial without looking them up in your cell phone? David Harper, co-founder and architect of Go800, found that his cell phone battery had died after a day spent at a ...

The average person will take between 2000 and 2700 steps in a mile, but your stride length, pace and height will all influence the number. Here's how.

The total number of picks in a given NFL Draft can change every year. So how many draft picks will there be in the 2025 NFL Draft ? This year, there will be 257 picks in the draft.

There is a Google account setting under phone number “Use this number to get account security alerts and reset your password if you forget it.”, which you can turn off. I have done so now.

An Infinity of Infinities. Yes, infinity comes in many sizes. In 1873, the German mathematician Georg Cantor shook math to the core when he discovered that the “real” numbers that fill the number line ...

The 313, it turns out, is not limitless. At some point, you may get a personal or work phone and — the horror — be assigned a 679 area code rather than 313, an emblem of Detroit. The 313 code ...

There's no limit on how many Google accounts you can have, and you can easily switch between multiple accounts. Here's what you need to know.