11 × 13 × 571

Prime Factor Structure

Factorization String 11 × 13 × 571

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 96,096

Proper Divisor Sum 14,443

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #81649 ← → #81667

1 11 13 143 571 6,281 7,423 81,653

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

81,653 244,960 122,480 61,240 30,620 15,310 7,655 22,966 11,483 34,450 17,225 51,676 25,838 12,919 38,758 19,379 58,138 29,069 87,208 43,604 21,802 10,901 32,704 16,352 8,176 4,088 2,044 1,022 511 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

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