3 × 5 × 17 × 8581

Prime Factor Structure

Factorization String 3 × 5 × 17 × 8581

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,707,424

Proper Divisor Sum 1,519,269

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2188127 ← → #2188157

1 3 5 15 17 51 85 255 8,581 25,743 42,905 128,715 145,877 437,631 729,385 2,188,155

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

2,188,155 6,564,466 3,282,233 9,846,700 4,923,350 2,461,675 7,385,026 3,692,513 11,077,540 5,538,770 2,769,385 8,308,156 4,154,078 2,077,039 6,231,118 3,115,559 9,346,678 4,673,339 14,020,018 7,010,009 21,030,028 10,515,014 5,257,507 15,772,522 7,886,261 23,658,784 11,829,392 5,914,696 2,957,348 1,478,674 739,337 2,218,012 1,109,006 554,503 1,663,510 831,755 2,495,266 1,247,633 3,742,900 1,871,450 935,725 2,807,176 1,403,588 701,794 350,897 1,052,692 526,346 263,173 789,520 394,760 197,380 98,690 49,345 148,036 74,018 37,009 111,028 55,514 27,757 83,272

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