2² × 13 × 17 × 19 × 31

Prime Factor Structure

Factorization String 2^2 × 13 × 17 × 19 × 31

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,128,960

Proper Divisor Sum 608,284

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #520649 ← → #520679

1 2 4 13 17 19 26 31 34 38 52 62 68 76 124 221 247 323 403 442 494 527 589 646 806 884 988 1,054 1,178 1,292 1,612 2,108 2,356 4,199 6,851 7,657 8,398 10,013 13,702 15,314 16,796 20,026 27,404 30,628 40,052 130,169 260,338 520,676

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

520,676 260,338 130,169 390,508 195,254 97,627 292,882 146,441 439,324 219,662 109,831 329,494 164,747 494,242 247,121 741,364 370,682 185,341 556,024 278,012 139,006 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.