2 × 820643

Prime Factor Structure

Factorization String 2 × 820643

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,461,932

Proper Divisor Sum 820,646

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1641281 ← → #1641301

1 2 820,643 1,641,286

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

1,641,286 820,643 2,461,930 1,230,965 3,692,896 1,846,448 923,224 461,612 230,806 115,403 346,210 173,105 519,316 259,658 129,829 389,488 194,744 97,372 48,686 24,343 73,030 36,515 109,546 54,773 164,320 82,160 41,080 20,540 10,270 5,135 15,406 7,703 23,110 11,555 34,666 17,333 52,000 26,000 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290

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