2 × 3 × 21563

Prime Factor Structure

Factorization String 2 × 3 × 21563

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 258,768

Proper Divisor Sum 129,390

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #129361 ← → #129379

1 2 3 6 21,563 43,126 64,689 129,378

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

129,378 64,689 194,068 97,034 48,517 145,552 72,776 36,388 18,194 9,097 27,292 13,646 6,823 20,470 10,235 30,706 15,353 46,060 23,030 11,515 34,546 17,273 51,820 25,910 12,955 38,866 19,433 58,300 29,150 14,575 43,726 21,863 65,590 32,795 98,386 49,193 147,580 73,790 36,895 110,686 55,343 166,030 83,015 249,046 124,523 373,570 186,785 560,356 280,178 140,089 420,268 210,134 105,067 315,202 157,601 472,804 236,402 118,201 354,604 177,302

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