3007

3007 is a natural number that sits between 3006 and 3008. In decimal notation it is odd and composite, with prime factorization 31 times 97; thus it is a semiprime.

Its divisors are 1, 31, 97, and 3007. The sum of its digits is 10, giving a digital root of 1. In other bases, 3007 equals 0xBBF in hexadecimal and 101110111111 in binary; in Roman numerals it is MMMVII. The Euler totient φ(3007) equals (31−1)(97−1) = 2880.

Applications and context: As a simple semiprime, 3007 is sometimes used as an example in introductory number theory to illustrate factorization and multiplicative functions. It has four positive divisors and no widely known special names or constants associated with it.

In culture, there is no notable historical significance attached to the number 3007; it is occasionally used to denote a far-future year in fiction or as a placeholder in catalogs and serial numbers.