2 × 5 × 89 × 439

Prime Factor Structure

Factorization String 2 × 5 × 89 × 439

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 712,800

Proper Divisor Sum 322,090

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #390707 ← → #390721

1 2 5 10 89 178 439 445 878 890 2,195 4,390 39,071 78,142 195,355 390,710

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

390,710 195,355 586,066 293,033 879,100 439,550 219,775 659,326 329,663 988,990 494,495 1,483,486 741,743 2,225,230 1,112,615 3,337,846 1,668,923 5,006,770 2,503,385 7,510,156 3,755,078 1,877,539 5,632,618 2,816,309 8,448,928 4,224,464 2,112,232 1,056,116 528,058 264,029 792,088 396,044 198,022 99,011 297,034 148,517 445,552 222,776 111,388 55,694 27,847 83,542 41,771 125,314 62,657 187,972 93,986 46,993 140,980 70,490 35,245 105,736 52,868 26,434 13,217 39,652 19,826 9,913 29,740 14,870

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