2 × 13 × 17 × 647

Prime Factor Structure

Factorization String 2 × 13 × 17 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 489,888

Proper Divisor Sum 203,914

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #285953 ← → #285977

1 2 13 17 26 34 221 442 647 1,294 8,411 10,999 16,822 21,998 142,987 285,974

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

285,974 142,987 428,962 214,481 643,444 321,722 160,861 482,584 241,292 120,646 60,323 180,970 90,485 271,456 135,728 67,864 33,932 16,966 8,483 25,450 12,725 38,176 19,088 9,544 4,772 2,386 1,193 3,580 1,790 895 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906

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