2 × 5² × 17 × 809

Prime Factor Structure

Factorization String 2 × 5^2 × 17 × 809

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,355,940

Proper Divisor Sum 668,290

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #687647 ← → #687679

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

687,650 343,825 1,031,476 515,738 257,869 773,608 386,804 193,402 96,701 290,104 145,052 72,526 36,263 108,790 54,395 163,186 81,593 244,780 122,390 61,195 183,586 91,793 275,380 137,690 68,845 206,536 103,268 51,634 25,817 77,452 38,726 19,363 58,090 29,045 87,136 43,568 21,784 10,892 5,446 2,723 8,170 4,085 12,256 6,128 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373

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