3 × 7 × 1993

Prime Factor Structure

Factorization String 3 × 7 × 1993

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 63,808

Proper Divisor Sum 21,955

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #41851 ← → #41863

1 3 7 21 1,993 5,979 13,951 41,853

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

41,853 125,560 62,780 31,390 15,695 47,086 23,543 70,630 35,315 105,946 52,973 158,920 79,460 39,730 19,865 59,596 29,798 14,899 44,698 22,349 67,048 33,524 16,762 8,381 25,144 12,572 6,286 3,143 9,430 4,715 14,146 7,073 21,220 10,610 5,305 15,916 7,958 3,979 11,938 5,969 17,908 8,954 4,477 13,432 6,716 3,358 1,679 5,038 2,519 7,558 3,779 11,338 5,669 17,008 8,504 4,252 2,126 1,063 3,190 1,595

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