2² × 17² × 19 × 31

Prime Factor Structure

Factorization String 2^2 × 17^2 × 19 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,375,360

Proper Divisor Sum 694,476

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #680881 ← → #680917

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

680,884 340,442 170,221 510,664 255,332 127,666 63,833 191,500 95,750 47,875 143,626 71,813 215,440 107,720 53,860 26,930 13,465 40,396 20,198 10,099 30,298 15,149 45,448 22,724 11,362 5,681 17,044 8,522 4,261 12,784 6,392 3,196 1,598 799 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722

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