3 × 7 × 281 × 283

Prime Factor Structure

Factorization String 3 × 7 × 281 × 283

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,562,816

Proper Divisor Sum 892,833

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #1669979 ← → #1669999

1 3 7 21 281 283 843 849 1,967 1,981 5,901 5,943 79,523 238,569 556,661 1,669,983

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

1,669,983 5,009,950 2,504,975 7,514,926 3,757,463 11,272,390 5,636,195 16,908,586 8,454,293 25,362,880 12,681,440 6,340,720 3,170,360 1,585,180 792,590 396,295 1,188,886 594,443 1,783,330 891,665 2,674,996 1,337,498 668,749 2,006,248 1,003,124 501,562 250,781 752,344 376,172 188,086 94,043 282,130 141,065 423,196 211,598 105,799 317,398 158,699 476,098 238,049 714,148 357,074 178,537 535,612 267,806 133,903 401,710 200,855 602,566 301,283 903,850 451,925 1,355,776 677,888 338,944 169,472 84,736 42,368 21,184 10,592

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