3 × 7 × 11 × 19 × 89

Prime Factor Structure

Factorization String 3 × 7 × 11 × 19 × 89

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 691,200

Proper Divisor Sum 300,579

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #390581 ← → #390647

1 3 7 11 19 21 33 57 77 89 133 209 231 267 399 623 627 979 1,463 1,691 1,869 2,937 4,389 5,073 6,853 11,837 18,601 20,559 35,511 55,803 130,207 390,621

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

390,621 1,171,864 585,932 292,966 146,483 439,450 219,725 659,176 329,588 164,794 82,397 247,192 123,596 61,798 30,899 92,698 46,349 139,048 69,524 34,762 17,381 52,144 26,072 13,036 6,518 3,259 9,778 4,889 14,668 7,334 3,667 11,002 5,501 16,504 8,252 4,126 2,063 6,190 3,095 9,286 4,643 13,930 6,965 20,896 10,448 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70

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