# Category Archives: mathematics

## The 39th Root of 92

My new office space suffers from a shortage of photons, so I’ve been wiring up light fixtures. As I was snaking 14-gauge cable through the ceiling cavity, I began to wonder: Why is it called 14-gauge? I know that the … Continue reading

## Prime After Prime

Are the prime numbers sprinkled randomly along the number line, like windblown seeds?Of course not: Primality is not a matter of chance but a product of simple arithmetic. A number is prime if and only if no smaller positive integer … Continue reading

## Number Factoids

The web sites numbersaplenty.com and numberworld.info dish up a smorgasbord of facts about every natural number from 1 to 999,999,999,999,999. Type in your favorite positive integer (provided it’s less than 1015) and you’ll get a list of prime factors, a … Continue reading

## Carnival of Mathematics #130

Welcome to the 130th monthly Carnival of Mathematics, a roving blog organized by The Aperiodical. The previous edition was hosted by GanitCharcha. This month’s collection includes material appearing on the Web between December 10 and January 9 (with a bit … Continue reading

## The Carnival Is Coming to Town

Bit-player will be hosting the 130th Carnival of Mathematics, the monthly celebration of math(s) writing on the Web organized by The Aperiodical. Submissions are open now through January 9. Please contribute! Anything that might engage or delight the mathematical mind … Continue reading