3 × 7 × 13 × 3691

Prime Factor Structure

Factorization String 3 × 7 × 13 × 3691

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,654,016

Proper Divisor Sum 646,373

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1007609 ← → #1007647

1 3 7 13 21 39 91 273 3,691 11,073 25,837 47,983 77,511 143,949 335,881 1,007,643

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

1,007,643 3,022,930 1,511,465 4,534,396 2,267,198 1,133,599 3,400,798 1,700,399 5,101,198 2,550,599 7,651,798 3,825,899 11,477,698 5,738,849 17,216,548 8,608,274 4,304,137 12,912,412 6,456,206 3,228,103 9,684,310 4,842,155 14,526,466 7,263,233 21,789,700 10,894,850 5,447,425 16,342,276 8,171,138 4,085,569 12,256,708 6,128,354 3,064,177 9,192,532 4,596,266 2,298,133 6,894,400 3,447,200 1,723,600 861,800 430,900 215,450 107,725 323,176 161,588 80,794 40,397 121,192 60,596 30,298 15,149 45,448 22,724 11,362 5,681 17,044 8,522 4,261 12,784 6,392

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