7² × 13 × 439

Prime Factor Structure

Factorization String 7^2 × 13 × 439

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 351,120

Proper Divisor Sum 71,477

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #279641 ← → #279649

1 7 13 49 91 439 637 3,073 5,707 21,511 39,949 279,643

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

279,643 838,930 419,465 1,258,396 629,198 314,599 943,798 471,899 1,415,698 707,849 2,123,548 1,061,774 530,887 1,592,662 796,331 2,388,994 1,194,497 3,583,492 1,791,746 895,873 2,687,620 1,343,810 671,905 2,015,716 1,007,858 503,929 1,511,788 755,894 377,947 1,133,842 566,921 1,700,764 850,382 425,191 1,275,574 637,787 1,913,362 956,681 2,870,044 1,435,022 717,511 2,152,534 1,076,267 3,228,802 1,614,401 4,843,204 2,421,602 1,210,801 3,632,404 1,816,202 908,101 2,724,304 1,362,152 681,076 340,538 170,269 510,808 255,404 127,702 63,851

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