2 × 3 × 5 × 7 × 1987

Prime Factor Structure

Factorization String 2 × 3 × 5 × 7 × 1987

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,145,088

Proper Divisor Sum 727,818

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #417251 ← → #417271

1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1,987 3,974 5,961 9,935 11,922 13,909 19,870 27,818 29,805 41,727 59,610 69,545 83,454 139,090 208,635 417,270

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

417,270 208,635 625,906 312,953 938,860 469,430 234,715 704,146 352,073 1,056,220 528,110 264,055 792,166 396,083 1,188,250 594,125 1,782,376 891,188 445,594 222,797 668,392 334,196 167,098 83,549 250,648 125,324 62,662 31,331 93,994 46,997 140,992 70,496 35,248 17,624 8,812 4,406 2,203 6,610 3,305 9,916 4,958 2,479 7,438 3,719 11,158 5,579 16,738 8,369 25,108 12,554 6,277 18,832 9,416 4,708 2,354 1,177 3,532 1,766 883 2,650

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