2 × 13 × 71 × 373

Prime Factor Structure

Factorization String 2 × 13 × 71 × 373

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,130,976

Proper Divisor Sum 442,418

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #688543 ← → #688561

1 2 13 26 71 142 373 746 923 1,846 4,849 9,698 26,483 52,966 344,279 688,558

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

688,558 344,279 1,032,838 516,419 1,549,258 774,629 2,323,888 1,161,944 580,972 290,486 145,243 435,730 217,865 653,596 326,798 163,399 490,198 245,099 735,298 367,649 1,102,948 551,474 275,737 827,212 413,606 206,803 620,410 310,205 930,616 465,308 232,654 116,327 348,982 174,491 523,474 261,737 785,212 392,606 196,303 588,910 294,455 883,366 441,683 1,325,050 662,525 1,987,576 993,788 496,894 248,447 745,342 372,671 1,118,014 559,007 1,677,022 838,511 2,515,534 1,257,767 3,773,302 1,886,651 5,659,954

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