7² × 43 × 10243

Prime Factor Structure

Factorization String 7^2 × 43 × 10243

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 25,691,952

Proper Divisor Sum 4,109,951

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #21581969 ← → #21582013

1 7 43 49 301 2,107 10,243 71,701 440,449 501,907 3,083,143 21,582,001

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

21,582,001 64,746,004 32,373,002 16,186,501 48,559,504 24,279,752 12,139,876 6,069,938 3,034,969 9,104,908 4,552,454 2,276,227 6,828,682 3,414,341 10,243,024 5,121,512 2,560,756 1,280,378 640,189 1,920,568 960,284 480,142 240,071 720,214 360,107 1,080,322 540,161 1,620,484 810,242 405,121 1,215,364 607,682 303,841 911,524 455,762 227,881 683,644 341,822 170,911 512,734 256,367 769,102 384,551 1,153,654 576,827 1,730,482 865,241 2,595,724 1,297,862 648,931 1,946,794 973,397 2,920,192 1,460,096 730,048 365,024 182,512 91,256 45,628 22,814

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