2⁴ × 617 × 2131

Prime Factor Structure

Factorization String 2^4 × 617 × 2131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 40,844,856

Proper Divisor Sum 19,807,624

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21037231 ← → #21037241

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

21,037,232 10,518,616 5,259,308 2,629,654 1,314,827 3,944,482 1,972,241 5,916,724 2,958,362 1,479,181 4,437,544 2,218,772 1,109,386 554,693 1,664,080 832,040 416,020 208,010 104,005 312,016 156,008 78,004 39,002 19,501 58,504 29,252 14,626 7,313 21,940 10,970 5,485 16,456 8,228 4,114 2,057 6,172 3,086 1,543 4,630 2,315 6,946 3,473 10,420 5,210 2,605 7,816 3,908 1,954 977 2,932 1,466 733 2,200 1,100 550 275 826 413 1,240 620

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