180006

180006 is a positive integer that sits between 180005 and 180007. As a six-digit number, it is sometimes used as a label or example in mathematical contexts and in cataloging schemes that employ sequential numbering.

In number theory, 180006 is even and composite. Its prime factorization is 2 × 3 × 19 × 1579, which implies it has 16 positive divisors. The digits sum to 15, giving a digital root of 6, and the number is divisible by 2, 3, and 6 but not by 9.

Modular arithmetic notes: 180006 ≡ 0 (mod 2), ≡ 0 (mod 3), and ≡ 0 (mod 6); 180006 ≡ 1 (mod 5); 180006 ≡ 6 (mod 9).

Usage: There is no widely recognized constant or theorem specifically associated with 180006. It is primarily encountered as a random six-digit example in demonstrations of factorization, divisibility, or sequence indexing; it may appear in datasets, calendars, or catalog numbers where such sequences are used.