6642

6642 is a natural number that follows 6641 and precedes 6643. In mathematics, it is an even composite number with prime factorization 2 × 3^4 × 41. It can also be expressed as the product of two consecutive integers, 81 × 82.

The number has 20 positive divisors in total. A complete list in ascending order is: 1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, and 6642.

6642 is a Harshad number in base 10, since it is divisible by the sum of its digits (6+6+4+2 = 18), with 6642 ÷ 18 = 369. This property places it among numbers that are divisible by the digit sum.

In numeral relationships, 6642 equals 81 × 82, linking it to the product of consecutive integers. Its factorization, divisors, and composition as a product of consecutive numbers are typical points of interest in basic number theory discussions.