3 × 7 × 13681

Prime Factor Structure

Factorization String 3 × 7 × 13681

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 437,824

Proper Divisor Sum 150,523

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #287297 ← → #287321

1 3 7 21 13,681 41,043 95,767 287,301

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

287,301 861,904 430,952 215,476 107,738 53,869 161,608 80,804 40,402 20,201 60,604 30,302 15,151 45,454 22,727 68,182 34,091 102,274 51,137 153,412 76,706 38,353 115,060 57,530 28,765 86,296 43,148 21,574 10,787 32,362 16,181 48,544 24,272 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834

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