Numbers / 967

The Number 967

967 is prime: only 1 and 967 divide it evenly; the next prime after 967 is 971. 967's proper divisors total just 1, 966 short of 967, the deficient case most of 967's neighbors share too. 967 has a digit sum of 22; for 967, the digital root works out to 4. 967 shares no factor with 2-12; 967's own divisors start beyond that range. 967 is 1111000111 in binary and 3C7 in hex; as a Roman numeral it's CMLXVII.