5² × 11 × 787

Prime Factor Structure

Factorization String 5^2 × 11 × 787

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 293,136

Proper Divisor Sum 76,711

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #216421 ← → #216431

1 5 11 25 55 275 787 3,935 8,657 19,675 43,285 216,425

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

216,425 649,276 324,638 162,319 486,958 243,479 730,438 365,219 1,095,658 547,829 1,643,488 821,744 410,872 205,436 102,718 51,359 154,078 77,039 231,118 115,559 346,678 173,339 520,018 260,009 780,028 390,014 195,007 585,022 292,511 877,534 438,767 1,316,302 658,151 1,974,454 987,227 2,961,682 1,480,841 4,442,524 2,221,262 1,110,631 3,331,894 1,665,947 4,997,842 2,498,921 7,496,764 3,748,382 1,874,191 5,622,574 2,811,287 8,433,862 4,216,931 12,650,794 6,325,397 18,976,192 9,488,096 4,744,048 2,372,024 1,186,012 593,006 296,503

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