3 × 7 × 139 × 181

Prime Factor Structure

Factorization String 3 × 7 × 139 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 815,360

Proper Divisor Sum 287,021

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #528329 ← → #528373

1 3 7 21 139 181 417 543 973 1,267 2,919 3,801 25,159 75,477 176,113 528,339

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

528,339 1,585,018 792,509 2,377,528 1,188,764 594,382 297,191 891,574 445,787 1,337,362 668,681 2,006,044 1,003,022 501,511 1,504,534 752,267 2,256,802 1,128,401 3,385,204 1,692,602 846,301 2,538,904 1,269,452 634,726 317,363 952,090 476,045 1,428,136 714,068 357,034 178,517 535,552 267,776 133,888 66,944 33,472 16,736 8,368 4,184 2,092 1,046 523 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250 125 376 188 94

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