2⁶ × 17 × 19661

Prime Factor Structure

Factorization String 2^6 × 17 × 19661

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 28

Divisor Sum (σ) 44,947,332

Proper Divisor Sum 23,556,164

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21391133 ← → #21391187

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

21,391,168 10,695,584 5,347,792 2,673,896 1,336,948 668,474 334,237 1,002,712 501,356 250,678 125,339 376,018 188,009 564,028 282,014 141,007 423,022 211,511 634,534 317,267 951,802 475,901 1,427,704 713,852 356,926 178,463 535,390 267,695 803,086 401,543 1,204,630 602,315 1,806,946 903,473 2,710,420 1,355,210 677,605 2,032,816 1,016,408 508,204 254,102 127,051 381,154 190,577 571,732 285,866 142,933 428,800 214,400 107,200 53,600 26,800 13,400 6,700 3,350 1,675 5,026 2,513 7,540 3,770

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