946

946 is a natural number that comes after 945 and before 947. It is an even composite number. Its prime factorization is 2 × 11 × 43, and its positive divisors are 1, 2, 11, 22, 43, 86, 473, and 946. The sum of its proper divisors is 638, which is less than 946, so 946 is a deficient number.

946 is the 43rd triangular number, since T_n = n(n+1)/2; 43·44/2 = 946.

In different bases, 946 equals binary 1110110010, octal 1662, and hexadecimal 3B2; in Roman numerals it is CMXLVI.

As a calendar year, 946 CE falls in the 10th century; in Chinese history the year lies within the period known as the Five Dynasties and Ten Kingdoms. Regional events from that era vary by locale.

In mathematics contexts, 946 thus exemplifies an even composite number with prime factors 2, 11, and 43, and it also appears as a triangular number, highlighting its multiple simple representations in number theory.