2 × 5 × 21377

Prime Factor Structure

Factorization String 2 × 5 × 21377

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 384,804

Proper Divisor Sum 171,034

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #213751 ← → #213791

1 2 5 10 21,377 42,754 106,885 213,770

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

213,770 106,885 320,656 160,328 80,164 40,082 20,041 60,124 30,062 15,031 45,094 22,547 67,642 33,821 101,464 50,732 25,366 12,683 38,050 19,025 57,076 28,538 14,269 42,808 21,404 10,702 5,351 16,054 8,027 24,082 12,041 36,124 18,062 9,031 27,094 13,547 40,642 20,321 60,964 30,482 15,241 45,724 22,862 11,431 34,294 17,147 51,442 25,721 77,164 38,582 19,291 57,874 28,937 86,812 43,406 21,703 65,110 32,555 97,666 48,833

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.