2 × 5 × 17 × 128621

Prime Factor Structure

Factorization String 2 × 5 × 17 × 128621

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 41,673,528

Proper Divisor Sum 19,807,958

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #21865567 ← → #21865573

1 2 5 10 17 34 85 170 128,621 257,242 643,105 1,286,210 2,186,557 4,373,114 10,932,785 21,865,570

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

21,865,570 10,932,785 32,798,356 16,399,178 8,199,589 24,598,768 12,299,384 6,149,692 3,074,846 1,537,423 4,612,270 2,306,135 6,918,406 3,459,203 10,377,610 5,188,805 15,566,416 7,783,208 3,891,604 1,945,802 972,901 2,918,704 1,459,352 729,676 364,838 182,419 547,258 273,629 820,888 410,444 205,222 102,611 307,834 153,917 461,752 230,876 115,438 57,719 173,158 86,579 259,738 129,869 389,608 194,804 97,402 48,701 146,104 73,052 36,526 18,263 54,790 27,395 82,186 41,093 123,280 61,640 30,820 15,410 7,705 23,116

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