5 × 7 × 619

Prime Factor Structure

Factorization String 5 × 7 × 619

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 29,760

Proper Divisor Sum 8,095

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21661 ← → #21673

1 5 7 35 619 3,095 4,333 21,665

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

21,665 64,996 32,498 16,249 48,748 24,374 12,187 36,562 18,281 54,844 27,422 13,711 41,134 20,567 61,702 30,851 92,554 46,277 138,832 69,416 34,708 17,354 8,677 26,032 13,016 6,508 3,254 1,627 4,882 2,441 7,324 3,662 1,831 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551 1,654 827

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