2² × 13 × 73 × 181

Prime Factor Structure

Factorization String 2^2 × 13 × 73 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,319,864

Proper Divisor Sum 632,788

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #687073 ← → #687083

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

687,076 343,538 171,769 515,308 257,654 128,827 386,482 193,241 579,724 289,862 144,931 434,794 217,397 652,192 326,096 163,048 81,524 40,762 20,381 61,144 30,572 15,286 7,643 22,930 11,465 34,396 17,198 8,599 25,798 12,899 38,698 19,349 58,048 29,024 14,512 7,256 3,628 1,814 907 2,722 1,361 4,084 2,042 1,021 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.