13 × 1439

Prime Factor Structure

Factorization String 13 × 1439

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 20,160

Proper Divisor Sum 1,453

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #18701 ← → #18713

1 13 1,439 18,707

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

18,707 56,122 28,061 84,184 42,092 21,046 10,523 31,570 15,785 47,356 23,678 11,839 35,518 17,759 53,278 26,639 79,918 39,959 119,878 59,939 179,818 89,909 269,728 134,864 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283

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