3 × 7² × 23 × 83

Prime Factor Structure

Factorization String 3 × 7^2 × 23 × 83

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 459,648

Proper Divisor Sum 179,025

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #280613 ← → #280627

1 3 7 21 23 49 69 83 147 161 249 483 581 1,127 1,743 1,909 3,381 4,067 5,727 12,201 13,363 40,089 93,541 280,623

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

280,623 841,870 420,935 1,262,806 631,403 1,894,210 947,105 2,841,316 1,420,658 710,329 2,130,988 1,065,494 532,747 1,598,242 799,121 2,397,364 1,198,682 599,341 1,798,024 899,012 449,506 224,753 674,260 337,130 168,565 505,696 252,848 126,424 63,212 31,606 15,803 47,410 23,705 71,116 35,558 17,779 53,338 26,669 80,008 40,004 20,002 10,001 30,004 15,002 7,501 22,504 11,252 5,626 2,813 8,440 4,220 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690

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