2 × 28657

Prime Factor Structure

Factorization String 2 × 28657

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 85,974

Proper Divisor Sum 28,660

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #57301 ← → #57329

1 2 28,657 57,314

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

57,314 28,657 85,972 42,986 21,493 64,480 32,240 16,120 8,060 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121

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