2 × 19 × 13729

Prime Factor Structure

Factorization String 2 × 19 × 13729

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 823,800

Proper Divisor Sum 302,098

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #521693 ← → #521707

1 2 19 38 13,729 27,458 260,851 521,702

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

521,702 260,851 782,554 391,277 1,173,832 586,916 293,458 146,729 440,188 220,094 110,047 330,142 165,071 495,214 247,607 742,822 371,411 1,114,234 557,117 1,671,352 835,676 417,838 208,919 626,758 313,379 940,138 470,069 1,410,208 705,104 352,552 176,276 88,138 44,069 132,208 66,104 33,052 16,526 8,263 24,790 12,395 37,186 18,593 55,780 27,890 13,945 41,836 20,918 10,459 31,378 15,689 47,068 23,534 11,767 35,302 17,651 52,954 26,477 79,432 39,716 19,858

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