5 × 7 × 11 × 53

Prime Factor Structure

Factorization String 5 × 7 × 11 × 53

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 31,104

Proper Divisor Sum 10,699

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #20399 ← → #20407

1 5 7 11 35 53 55 77 265 371 385 583 1,855 2,915 4,081 20,405

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

20,405 61,216 30,608 15,304 7,652 3,826 1,913 5,740 2,870 1,435 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 39,364 19,682 9,841 29,524 14,762 7,381 22,144 11,072 5,536 2,768 1,384 692 346 173 520 260 130

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