13 × 1601

Prime Factor Structure

Factorization String 13 × 1601

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 22,428

Proper Divisor Sum 1,615

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #20809 ← → #20849

1 13 1,601 20,813

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

20,813 62,440 31,220 15,610 7,805 23,416 11,708 5,854 2,927 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353 1,060 530 265 796

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