991 × 1721

Prime Factor Structure

Factorization String 991 × 1721

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,708,224

Proper Divisor Sum 2,713

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1705493 ← → #1705549

1 991 1,721 1,705,511

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

1,705,511 5,116,534 2,558,267 7,674,802 3,837,401 11,512,204 5,756,102 2,878,051 8,634,154 4,317,077 12,951,232 6,475,616 3,237,808 1,618,904 809,452 404,726 202,363 607,090 303,545 910,636 455,318 227,659 682,978 341,489 1,024,468 512,234 256,117 768,352 384,176 192,088 96,044 48,022 24,011 72,034 36,017 108,052 54,026 27,013 81,040 40,520 20,260 10,130 5,065 15,196 7,598 3,799 11,398 5,699 17,098 8,549 25,648 12,824 6,412 3,206 1,603 4,810 2,405 7,216 3,608 1,804

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