7 × 43 × 71 × 139

Prime Factor Structure

Factorization String 7 × 43 × 71 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,548,160

Proper Divisor Sum 577,591

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #2970559 ← → #2970599

1 7 43 71 139 301 497 973 3,053 5,977 9,869 21,371 41,839 69,083 424,367 2,970,569

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

2,970,569 8,911,708 4,455,854 2,227,927 6,683,782 3,341,891 10,025,674 5,012,837 15,038,512 7,519,256 3,759,628 1,879,814 939,907 2,819,722 1,409,861 4,229,584 2,114,792 1,057,396 528,698 264,349 793,048 396,524 198,262 99,131 297,394 148,697 446,092 223,046 111,523 334,570 167,285 501,856 250,928 125,464 62,732 31,366 15,683 47,050 23,525 70,576 35,288 17,644 8,822 4,411 13,234 6,617 19,852 9,926 4,963 14,890 7,445 22,336 11,168 5,584 2,792 1,396 698 349 1,048 524

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