2 × 3² × 7 × 169817

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 169817

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 52,983,216

Proper Divisor Sum 31,586,274

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #21396941 ← → #21396967

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

21,396,942 10,698,471 32,095,414 16,047,707 48,143,122 24,071,561 72,214,684 36,107,342 18,053,671 54,161,014 27,080,507 81,241,522 40,620,761 121,862,284 60,931,142 30,465,571 91,396,714 45,698,357 137,095,072 68,547,536 34,273,768 17,136,884 8,568,442 4,284,221 12,852,664 6,426,332 3,213,166 1,606,583 4,819,750 2,409,875 7,229,626 3,614,813 10,844,440 5,422,220 2,711,110 1,355,555 4,066,666 2,033,333 6,100,000 3,050,000 1,525,000 762,500 381,250 190,625 571,876 285,938 142,969 428,908 214,454 107,227 321,682 160,841 482,524 241,262 120,631 361,894 180,947 542,842 271,421 814,264

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