2 × 13 × 499 × 1553

Prime Factor Structure

Factorization String 2 × 13 × 499 × 1553

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,634,000

Proper Divisor Sum 12,485,378

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #20148619 ← → #20148629

1 2 13 26 499 998 1,553 3,106 6,487 12,974 20,189 40,378 774,947 1,549,894 10,074,311 20,148,622

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

20,148,622 10,074,311 30,222,934 15,111,467 45,334,402 22,667,201 68,001,604 34,000,802 17,000,401 51,001,204 25,500,602 12,750,301 38,250,904 19,125,452 9,562,726 4,781,363 14,344,090 7,172,045 21,516,136 10,758,068 5,379,034 2,689,517 8,068,552 4,034,276 2,017,138 1,008,569 3,025,708 1,512,854 756,427 2,269,282 1,134,641 3,403,924 1,701,962 850,981 2,552,944 1,276,472 638,236 319,118 159,559 478,678 239,339 718,018 359,009 1,077,028 538,514 269,257 807,772 403,886 201,943 605,830 302,915 908,746 454,373 1,363,120 681,560 340,780 170,390 85,195 255,586 127,793

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