2 × 3 × 21557

Prime Factor Structure

Factorization String 2 × 3 × 21557

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 258,696

Proper Divisor Sum 129,354

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #129341 ← → #129347

1 2 3 6 21,557 43,114 64,671 129,342

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

129,342 64,671 194,014 97,007 291,022 145,511 436,534 218,267 654,802 327,401 982,204 491,102 245,551 736,654 368,327 1,104,982 552,491 1,657,474 828,737 2,486,212 1,243,106 621,553 1,864,660 932,330 466,165 1,398,496 699,248 349,624 174,812 87,406 43,703 131,110 65,555 196,666 98,333 295,000 147,500 73,750 36,875 110,626 55,313 165,940 82,970 41,485 124,456 62,228 31,114 15,557 46,672 23,336 11,668 5,834 2,917 8,752 4,376 2,188 1,094 547 1,642 821

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