2 × 5 × 257 × 647

Prime Factor Structure

Factorization String 2 × 5 × 257 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,009,312

Proper Divisor Sum 1,346,522

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1662781 ← → #1662803

1 2 5 10 257 514 647 1,285 1,294 2,570 3,235 6,470 166,279 332,558 831,395 1,662,790

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

1,662,790 831,395 2,494,186 1,247,093 3,741,280 1,870,640 935,320 467,660 233,830 116,915 350,746 175,373 526,120 263,060 131,530 65,765 197,296 98,648 49,324 24,662 12,331 36,994 18,497 55,492 27,746 13,873 41,620 20,810 10,405 31,216 15,608 7,804 3,902 1,951 5,854 2,927 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556

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