3³ × 20857

Prime Factor Structure

Factorization String 3^3 × 20857

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 834,320

Proper Divisor Sum 271,181

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #563131 ← → #563149

1 3 9 27 20,857 62,571 187,713 563,139

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

563,139 1,689,418 844,709 2,534,128 1,267,064 633,532 316,766 158,383 475,150 237,575 712,726 356,363 1,069,090 534,545 1,603,636 801,818 400,909 1,202,728 601,364 300,682 150,341 451,024 225,512 112,756 56,378 28,189 84,568 42,284 21,142 10,571 31,714 15,857 47,572 23,786 11,893 35,680 17,840 8,920 4,460 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577

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