17 × 20921

Prime Factor Structure

Factorization String 17 × 20921

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 376,596

Proper Divisor Sum 20,939

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #355651 ← → #355669

1 17 20,921 355,657

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

355,657 1,066,972 533,486 266,743 800,230 400,115 1,200,346 600,173 1,800,520 900,260 450,130 225,065 675,196 337,598 168,799 506,398 253,199 759,598 379,799 1,139,398 569,699 1,709,098 854,549 2,563,648 1,281,824 640,912 320,456 160,228 80,114 40,057 120,172 60,086 30,043 90,130 45,065 135,196 67,598 33,799 101,398 50,699 152,098 76,049 228,148 114,074 57,037 171,112 85,556 42,778 21,389 64,168 32,084 16,042 8,021 24,064 12,032 6,016 3,008 1,504 752 376

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