2 × 21289547

Prime Factor Structure

Factorization String 2 × 21289547

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 63,868,644

Proper Divisor Sum 21,289,550

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #42579091 ← → #42579107

1 2 21,289,547 42,579,094

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

42,579,094 21,289,547 63,868,642 31,934,321 95,802,964 47,901,482 23,950,741 71,852,224 35,926,112 17,963,056 8,981,528 4,490,764 2,245,382 1,122,691 3,368,074 1,684,037 5,052,112 2,526,056 1,263,028 631,514 315,757 947,272 473,636 236,818 118,409 355,228 177,614 88,807 266,422 133,211 399,634 199,817 599,452 299,726 149,863 449,590 224,795 674,386 337,193 1,011,580 505,790 252,895 758,686 379,343 1,138,030 569,015 1,707,046 853,523 2,560,570 1,280,285 3,840,856 1,920,428 960,214 480,107 1,440,322 720,161 2,160,484 1,080,242 540,121 1,620,364

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