444

444 is a natural number that follows 443 and precedes 445. In decimal notation it is a repdigit, consisting of three identical digits.

In mathematics, 444 is an even composite number. Its prime factorization is 2^2 × 3 × 37, giving 12 positive divisors: 1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, and 444. The sum of its divisors is 1064. The digit sum is 12, so 444 is divisible by the sum of its digits (a Harshad number) and is divisible by 3, 4, and 12.

Representations of 444 include: in binary, 110111100; in octal, 674; in hexadecimal, 1BC. In Roman numerals, 444 is written as CDXLIV.

In cultural and numerical contexts, 444 is sometimes discussed as a symbolic number. In numerology and certain popular beliefs, it is described as a sign of protection, encouragement, or alignment, though these interpretations are not supported by scientific evidence.

Overall, 444 is notable mainly for its simple, symmetric decimal form and clear mathematical properties, including its factorization and multiple base representations.

See also: 443, 445, repdigit.