2² × 128813

Prime Factor Structure

Factorization String 2^2 × 128813

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 901,698

Proper Divisor Sum 386,446

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #515237 ← → #515279

1 2 4 128,813 257,626 515,252

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

515,252 257,626 128,813 386,440 193,220 96,610 48,305 144,916 72,458 36,229 108,688 54,344 27,172 13,586 6,793 20,380 10,190 5,095 15,286 7,643 22,930 11,465 34,396 17,198 8,599 25,798 12,899 38,698 19,349 58,048 29,024 14,512 7,256 3,628 1,814 907 2,722 1,361 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280

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