21397847

Prime Factor Structure

Factorization String 21397847

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,397,848

Proper Divisor Sum 1

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #21397837 ← → #21397867

1 21,397,847

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

21,397,847 64,193,542 32,096,771 96,290,314 48,145,157 144,435,472 72,217,736 36,108,868 18,054,434 9,027,217 27,081,652 13,540,826 6,770,413 20,311,240 10,155,620 5,077,810 2,538,905 7,616,716 3,808,358 1,904,179 5,712,538 2,856,269 8,568,808 4,284,404 2,142,202 1,071,101 3,213,304 1,606,652 803,326 401,663 1,204,990 602,495 1,807,486 903,743 2,711,230 1,355,615 4,066,846 2,033,423 6,100,270 3,050,135 9,150,406 4,575,203 13,725,610 6,862,805 20,588,416 10,294,208 5,147,104 2,573,552 1,286,776 643,388 321,694 160,847 482,542 241,271 723,814 361,907 1,085,722 542,861 1,628,584 814,292

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