3 × 7 × 17 × 1979

Prime Factor Structure

Factorization String 3 × 7 × 17 × 1979

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,140,480

Proper Divisor Sum 433,977

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #706499 ← → #706507

1 3 7 17 21 51 119 357 1,979 5,937 13,853 33,643 41,559 100,929 235,501 706,503

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

706,503 2,119,510 1,059,755 3,179,266 1,589,633 4,768,900 2,384,450 1,192,225 3,576,676 1,788,338 894,169 2,682,508 1,341,254 670,627 2,011,882 1,005,941 3,017,824 1,508,912 754,456 377,228 188,614 94,307 282,922 141,461 424,384 212,192 106,096 53,048 26,524 13,262 6,631 19,894 9,947 29,842 14,921 44,764 22,382 11,191 33,574 16,787 50,362 25,181 75,544 37,772 18,886 9,443 28,330 14,165 42,496 21,248 10,624 5,312 2,656 1,328 664 332 166 83 250 125

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