2 × 3² × 7 × 1697

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 1697

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 529,776

Proper Divisor Sum 315,954

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #213821 ← → #213827

1 2 3 6 7 9 14 18 21 42 63 126 1,697 3,394 5,091 10,182 11,879 15,273 23,758 30,546 35,637 71,274 106,911 213,822

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

213,822 106,911 320,734 160,367 481,102 240,551 721,654 360,827 1,082,482 541,241 1,623,724 811,862 405,931 1,217,794 608,897 1,826,692 913,346 456,673 1,370,020 685,010 342,505 1,027,516 513,758 256,879 770,638 385,319 1,155,958 577,979 1,733,938 866,969 2,600,908 1,300,454 650,227 1,950,682 975,341 2,926,024 1,463,012 731,506 365,753 1,097,260 548,630 274,315 822,946 411,473 1,234,420 617,210 308,605 925,816 462,908 231,454 115,727 347,182 173,591 520,774 260,387 781,162 390,581 1,171,744 585,872 292,936

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