2 × 5 × 3989

Prime Factor Structure

Factorization String 2 × 5 × 3989

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 71,820

Proper Divisor Sum 31,930

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #39887 ← → #39901

1 2 5 10 3,989 7,978 19,945 39,890

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

39,890 19,945 59,836 29,918 14,959 44,878 22,439 67,318 33,659 100,978 50,489 151,468 75,734 37,867 113,602 56,801 170,404 85,202 42,601 127,804 63,902 31,951 95,854 47,927 143,782 71,891 215,674 107,837 323,512 161,756 80,878 40,439 121,318 60,659 181,978 90,989 272,968 136,484 68,242 34,121 102,364 51,182 25,591 76,774 38,387 115,162 57,581 172,744 86,372 43,186 21,593 64,780 32,390 16,195 48,586 24,293 72,880 36,440 18,220 9,110

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