2 × 19 × 107 × 5351

Prime Factor Structure

Factorization String 2 × 19 × 107 × 5351

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 34,680,960

Proper Divisor Sum 12,923,794

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #21757157 ← → #21757171

1 2 19 38 107 214 2,033 4,066 5,351 10,702 101,669 203,338 572,557 1,145,114 10,878,583 21,757,166

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

21,757,166 10,878,583 32,635,750 16,317,875 48,953,626 24,476,813 73,430,440 36,715,220 18,357,610 9,178,805 27,536,416 13,768,208 6,884,104 3,442,052 1,721,026 860,513 2,581,540 1,290,770 645,385 1,936,156 968,078 484,039 1,452,118 726,059 2,178,178 1,089,089 3,267,268 1,633,634 816,817 2,450,452 1,225,226 612,613 1,837,840 918,920 459,460 229,730 114,865 344,596 172,298 86,149 258,448 129,224 64,612 32,306 16,153 48,460 24,230 12,115 36,346 18,173 54,520 27,260 13,630 6,815 20,446 10,223 30,670 15,335 46,006 23,003

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