Numbers / 293

The Number 293

293 is prime: only 1 and 293 divide it evenly; the next prime after 293 is 307. 293's proper divisors total just 1, 292 short of 293, the deficient case most of 293's neighbors share too. 293 has a digit sum of 14; for 293, the digital root works out to 5. 293 shares no factor with 2-12; 293's own divisors start beyond that range. 293 is 100100101 in binary and 125 in hex; as a Roman numeral it's CCXCIII.