3³ × 5² × 7 × 139

Prime Factor Structure

Factorization String 3^3 × 5^2 × 7 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,388,800

Proper Divisor Sum 732,025

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #656771 ← → #656783

1 3 5 7 9 15 21 25 27 35 45 63 75 105 135 139 175 189 225 315 417 525 675 695 945 973 1,251 1,575 2,085 2,919 3,475 3,753 4,725 4,865 6,255 8,757 10,425 14,595 18,765 24,325 26,271 31,275 43,785 72,975 93,825 131,355 218,925 656,775

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

656,775 1,970,326 985,163 2,955,490 1,477,745 4,433,236 2,216,618 1,108,309 3,324,928 1,662,464 831,232 415,616 207,808 103,904 51,952 25,976 12,988 6,494 3,247 9,742 4,871 14,614 7,307 21,922 10,961 32,884 16,442 8,221 24,664 12,332 6,166 3,083 9,250 4,625 13,876 6,938 3,469 10,408 5,204 2,602 1,301 3,904 1,952 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20

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