19 × 31 × 73

Prime Factor Structure

Factorization String 19 × 31 × 73

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 47,360

Proper Divisor Sum 4,363

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #42989 ← → #43003

1 19 31 73 589 1,387 2,263 42,997

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

42,997 128,992 64,496 32,248 16,124 8,062 4,031 12,094 6,047 18,142 9,071 27,214 13,607 40,822 20,411 61,234 30,617 91,852 45,926 22,963 68,890 34,445 103,336 51,668 25,834 12,917 38,752 19,376 9,688 4,844 2,422 1,211 3,634 1,817 5,452 2,726 1,363 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841

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