3 × 7 × 523

Prime Factor Structure

Factorization String 3 × 7 × 523

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 16,768

Proper Divisor Sum 5,785

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #10979 ← → #10987

1 3 7 21 523 1,569 3,661 10,983

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

10,983 32,950 16,475 49,426 24,713 74,140 37,070 18,535 55,606 27,803 83,410 41,705 125,116 62,558 31,279 93,838 46,919 140,758 70,379 211,138 105,569 316,708 158,354 79,177 237,532 118,766 59,383 178,150 89,075 267,226 133,613 400,840 200,420 100,210 50,105 150,316 75,158 37,579 112,738 56,369 169,108 84,554 42,277 126,832 63,416 31,708 15,854 7,927 23,782 11,891 35,674 17,837 53,512 26,756 13,378 6,689 20,068 10,034 5,017 15,052

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