2 × 3 × 7 × 21881

Prime Factor Structure

Factorization String 2 × 3 × 7 × 21881

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,100,672

Proper Divisor Sum 1,181,670

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #918989 ← → #919013

1 2 3 6 7 14 21 42 21,881 43,762 65,643 131,286 153,167 306,334 459,501 919,002

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

919,002 459,501 1,378,504 689,252 344,626 172,313 516,940 258,470 129,235 387,706 193,853 581,560 290,780 145,390 72,695 218,086 109,043 327,130 163,565 490,696 245,348 122,674 61,337 184,012 92,006 46,003 138,010 69,005 207,016 103,508 51,754 25,877 77,632 38,816 19,408 9,704 4,852 2,426 1,213 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976

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