5 × 13 × 991

Prime Factor Structure

Factorization String 5 × 13 × 991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 83,328

Proper Divisor Sum 18,913

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #64403 ← → #64433

1 5 13 65 991 4,955 12,883 64,415

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

64,415 193,246 96,623 289,870 144,935 434,806 217,403 652,210 326,105 978,316 489,158 244,579 733,738 366,869 1,100,608 550,304 275,152 137,576 68,788 34,394 17,197 51,592 25,796 12,898 6,449 19,348 9,674 4,837 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 1,640 820 410

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