2 × 19² × 20947

Prime Factor Structure

Factorization String 2 × 19^2 × 20947

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 23,943,564

Proper Divisor Sum 8,819,830

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #15123733 ← → #15123737

1 2 19 38 361 722 20,947 41,894 397,993 795,986 7,561,867 15,123,734

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

15,123,734 7,561,867 22,685,602 11,342,801 34,028,404 17,014,202 8,507,101 25,521,304 12,760,652 6,380,326 3,190,163 9,570,490 4,785,245 14,355,736 7,177,868 3,588,934 1,794,467 5,383,402 2,691,701 8,075,104 4,037,552 2,018,776 1,009,388 504,694 252,347 757,042 378,521 1,135,564 567,782 283,891 851,674 425,837 1,277,512 638,756 319,378 159,689 479,068 239,534 119,767 359,302 179,651 538,954 269,477 808,432 404,216 202,108 101,054 50,527 151,582 75,791 227,374 113,687 341,062 170,531 511,594 255,797 767,392 383,696 191,848 95,924

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