2³ × 5 × 41 × 401

Prime Factor Structure

Factorization String 2^3 × 5 × 41 × 401

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,519,560

Proper Divisor Sum 861,920

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #657617 ← → #657649

1 2 4 5 8 10 20 40 41 82 164 205 328 401 410 802 820 1,604 1,640 2,005 3,208 4,010 8,020 16,040 16,441 32,882 65,764 82,205 131,528 164,410 328,820 657,640

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

657,640 328,820 164,410 82,205 246,616 123,308 61,654 30,827 92,482 46,241 138,724 69,362 34,681 104,044 52,022 26,011 78,034 39,017 117,052 58,526 29,263 87,790 43,895 131,686 65,843 197,530 98,765 296,296 148,148 74,074 37,037 111,112 55,556 27,778 13,889 41,668 20,834 10,417 31,252 15,626 7,813 23,440 11,720 5,860 2,930 1,465 4,396 2,198 1,099 3,298 1,649 4,948 2,474 1,237 3,712 1,856 928 464 232 116

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