2 × 260339

Prime Factor Structure

Factorization String 2 × 260339

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 781,020

Proper Divisor Sum 260,342

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #520649 ← → #520679

1 2 260,339 520,678

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

520,678 260,339 781,018 390,509 1,171,528 585,764 292,882 146,441 439,324 219,662 109,831 329,494 164,747 494,242 247,121 741,364 370,682 185,341 556,024 278,012 139,006 69,503 208,510 104,255 312,766 156,383 469,150 234,575 703,726 351,863 1,055,590 527,795 1,583,386 791,693 2,375,080 1,187,540 593,770 296,885 890,656 445,328 222,664 111,332 55,666 27,833 83,500 41,750 20,875 62,626 31,313 93,940 46,970 23,485 70,456 35,228 17,614 8,807 26,422 13,211 39,634 19,817

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