2 × 3² × 43 × 27847

Prime Factor Structure

Factorization String 2 × 3^2 × 43 × 27847

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 47,787,168

Proper Divisor Sum 26,233,590

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #21553531 ← → #21553613

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

21,553,578 10,776,789 32,330,368 16,165,184 8,082,592 4,041,296 2,020,648 1,010,324 505,162 252,581 757,744 378,872 189,436 94,718 47,359 142,078 71,039 213,118 106,559 319,678 159,839 479,518 239,759 719,278 359,639 1,078,918 539,459 1,618,378 809,189 2,427,568 1,213,784 606,892 303,446 151,723 455,170 227,585 682,756 341,378 170,689 512,068 256,034 128,017 384,052 192,026 96,013 288,040 144,020 72,010 36,005 108,016 54,008 27,004 13,502 6,751 20,254 10,127 30,382 15,191 45,574 22,787

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