509 × 821

Prime Factor Structure

Factorization String 509 × 821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 419,220

Proper Divisor Sum 1,331

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #417883 ← → #417899

1 509 821 417,889

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

417,889 1,253,668 626,834 313,417 940,252 470,126 235,063 705,190 352,595 1,057,786 528,893 1,586,680 793,340 396,670 198,335 595,006 297,503 892,510 446,255 1,338,766 669,383 2,008,150 1,004,075 3,012,226 1,506,113 4,518,340 2,259,170 1,129,585 3,388,756 1,694,378 847,189 2,541,568 1,270,784 635,392 317,696 158,848 79,424 39,712 19,856 9,928 4,964 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74

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