5² × 855863

Prime Factor Structure

Factorization String 5^2 × 855863

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 26,531,784

Proper Divisor Sum 5,135,209

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #21396569 ← → #21396587

1 5 25 855,863 4,279,315 21,396,575

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

21,396,575 64,189,726 32,094,863 96,284,590 48,142,295 144,426,886 72,213,443 216,640,330 108,320,165 324,960,496 162,480,248 81,240,124 40,620,062 20,310,031 60,930,094 30,465,047 91,395,142 45,697,571 137,092,714 68,546,357 205,639,072 102,819,536 51,409,768 25,704,884 12,852,442 6,426,221 19,278,664 9,639,332 4,819,666 2,409,833 7,229,500 3,614,750 1,807,375 5,422,126 2,711,063 8,133,190 4,066,595 12,199,786 6,099,893 18,299,680 9,149,840 4,574,920 2,287,460 1,143,730 571,865 1,715,596 857,798 428,899 1,286,698 643,349 1,930,048 965,024 482,512 241,256 120,628 60,314 30,157 90,472 45,236 22,618

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