2² × 128819

Prime Factor Structure

Factorization String 2^2 × 128819

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 901,740

Proper Divisor Sum 386,464

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #515237 ← → #515279

1 2 4 128,819 257,638 515,276

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

515,276 257,638 128,819 386,458 193,229 579,688 289,844 144,922 72,461 217,384 108,692 54,346 27,173 81,520 40,760 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.