13² × 4027

Prime Factor Structure

Factorization String 13^2 × 4027

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 737,124

Proper Divisor Sum 56,561

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #680539 ← → #680567

1 13 169 4,027 52,351 680,563

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

680,563 2,041,690 1,020,845 3,062,536 1,531,268 765,634 382,817 1,148,452 574,226 287,113 861,340 430,670 215,335 646,006 323,003 969,010 484,505 1,453,516 726,758 363,379 1,090,138 545,069 1,635,208 817,604 408,802 204,401 613,204 306,602 153,301 459,904 229,952 114,976 57,488 28,744 14,372 7,186 3,593 10,780 5,390 2,695 8,086 4,043 12,130 6,065 18,196 9,098 4,549 13,648 6,824 3,412 1,706 853 2,560 1,280 640 320 160 80 40 20

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