3 × 11 × 23 × 521

Prime Factor Structure

Factorization String 3 × 11 × 23 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 601,344

Proper Divisor Sum 205,905

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #395431 ← → #395443

1 3 11 23 33 69 253 521 759 1,563 5,731 11,983 17,193 35,949 131,813 395,439

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

395,439 1,186,318 593,159 1,779,478 889,739 2,669,218 1,334,609 4,003,828 2,001,914 1,000,957 3,002,872 1,501,436 750,718 375,359 1,126,078 563,039 1,689,118 844,559 2,533,678 1,266,839 3,800,518 1,900,259 5,700,778 2,850,389 8,551,168 4,275,584 2,137,792 1,068,896 534,448 267,224 133,612 66,806 33,403 100,210 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.