3 × 7 × 13 × 69911

Prime Factor Structure

Factorization String 3 × 7 × 13 × 69911

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 31,320,576

Proper Divisor Sum 12,234,873

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #19085701 ← → #19085707

1 3 7 13 21 39 91 273 69,911 209,733 489,377 908,843 1,468,131 2,726,529 6,361,901 19,085,703

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

19,085,703 57,257,110 28,628,555 85,885,666 42,942,833 128,828,500 64,414,250 32,207,125 96,621,376 48,310,688 24,155,344 12,077,672 6,038,836 3,019,418 1,509,709 4,529,128 2,264,564 1,132,282 566,141 1,698,424 849,212 424,606 212,303 636,910 318,455 955,366 477,683 1,433,050 716,525 2,149,576 1,074,788 537,394 268,697 806,092 403,046 201,523 604,570 302,285 906,856 453,428 226,714 113,357 340,072 170,036 85,018 42,509 127,528 63,764 31,882 15,941 47,824 23,912 11,956 5,978 2,989 8,968 4,484 2,242 1,121 3,364

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