7 × 11 × 61 × 643

Prime Factor Structure

Factorization String 7 × 11 × 61 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,833,088

Proper Divisor Sum 812,917

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #3020167 ← → #3020177

1 7 11 61 77 427 643 671 4,501 4,697 7,073 39,223 49,511 274,561 431,453 3,020,171

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

3,020,171 9,060,514 4,530,257 13,590,772 6,795,386 3,397,693 10,193,080 5,096,540 2,548,270 1,274,135 3,822,406 1,911,203 5,733,610 2,866,805 8,600,416 4,300,208 2,150,104 1,075,052 537,526 268,763 806,290 403,145 1,209,436 604,718 302,359 907,078 453,539 1,360,618 680,309 2,040,928 1,020,464 510,232 255,116 127,558 63,779 191,338 95,669 287,008 143,504 71,752 35,876 17,938 8,969 26,908 13,454 6,727 20,182 10,091 30,274 15,137 45,412 22,706 11,353 34,060 17,030 8,515 25,546 12,773 38,320 19,160

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