3 × 7 × 31 × 857

Prime Factor Structure

Factorization String 3 × 7 × 31 × 857

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 878,592

Proper Divisor Sum 320,685

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #557903 ← → #557927

1 3 7 21 31 93 217 651 857 2,571 5,999 17,997 26,567 79,701 185,969 557,907

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

557,907 1,673,722 836,861 2,510,584 1,255,292 627,646 313,823 941,470 470,735 1,412,206 706,103 2,118,310 1,059,155 3,177,466 1,588,733 4,766,200 2,383,100 1,191,550 595,775 1,787,326 893,663 2,680,990 1,340,495 4,021,486 2,010,743 6,032,230 3,016,115 9,048,346 4,524,173 13,572,520 6,786,260 3,393,130 1,696,565 5,089,696 2,544,848 1,272,424 636,212 318,106 159,053 477,160 238,580 119,290 59,645 178,936 89,468 44,734 22,367 67,102 33,551 100,654 50,327 150,982 75,491 226,474 113,237 339,712 169,856 84,928 42,464 21,232

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