19 × 421

Prime Factor Structure

Factorization String 19 × 421

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,440

Proper Divisor Sum 441

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #7993 ← → #8009

1 19 421 7,999

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

7,999 23,998 11,999 35,998 17,999 53,998 26,999 80,998 40,499 121,498 60,749 182,248 91,124 45,562 22,781 68,344 34,172 17,086 8,543 25,630 12,815 38,446 19,223 57,670 28,835 86,506 43,253 129,760 64,880 32,440 16,220 8,110 4,055 12,166 6,083 18,250 9,125 27,376 13,688 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829

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