3 × 7 × 1021

Prime Factor Structure

Factorization String 3 × 7 × 1021

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 32,704

Proper Divisor Sum 11,263

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #21433 ← → #21467

1 3 7 21 1,021 3,063 7,147 21,441

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

21,441 64,324 32,162 16,081 48,244 24,122 12,061 36,184 18,092 9,046 4,523 13,570 6,785 20,356 10,178 5,089 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818

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