3 × 13 × 15991

Prime Factor Structure

Factorization String 3 × 13 × 15991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 895,552

Proper Divisor Sum 271,903

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #623641 ← → #623653

1 3 13 39 15,991 47,973 207,883 623,649

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

623,649 1,870,948 935,474 467,737 1,403,212 701,606 350,803 1,052,410 526,205 1,578,616 789,308 394,654 197,327 591,982 295,991 887,974 443,987 1,331,962 665,981 1,997,944 998,972 499,486 249,743 749,230 374,615 1,123,846 561,923 1,685,770 842,885 2,528,656 1,264,328 632,164 316,082 158,041 474,124 237,062 118,531 355,594 177,797 533,392 266,696 133,348 66,674 33,337 100,012 50,006 25,003 75,010 37,505 112,516 56,258 28,129 84,388 42,194 21,097 63,292 31,646 15,823 47,470 23,735

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