2 × 19 × 31 × 439

Prime Factor Structure

Factorization String 2 × 19 × 31 × 439

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 844,800

Proper Divisor Sum 327,658

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #517129 ← → #517151

1 2 19 31 38 62 439 589 878 1,178 8,341 13,609 16,682 27,218 258,571 517,142

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

517,142 258,571 775,714 387,857 1,163,572 581,786 290,893 872,680 436,340 218,170 109,085 327,256 163,628 81,814 40,907 122,722 61,361 184,084 92,042 46,021 138,064 69,032 34,516 17,258 8,629 25,888 12,944 6,472 3,236 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92

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