5 × 13 × 31 × 163

Prime Factor Structure

Factorization String 5 × 13 × 31 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 440,832

Proper Divisor Sum 112,387

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #328439 ← → #328481

1 5 13 31 65 155 163 403 815 2,015 2,119 5,053 10,595 25,265 65,689 328,445

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

328,445 985,336 492,668 246,334 123,167 369,502 184,751 554,254 277,127 831,382 415,691 1,247,074 623,537 1,870,612 935,306 467,653 1,402,960 701,480 350,740 175,370 87,685 263,056 131,528 65,764 32,882 16,441 49,324 24,662 12,331 36,994 18,497 55,492 27,746 13,873 41,620 20,810 10,405 31,216 15,608 7,804 3,902 1,951 5,854 2,927 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508

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