3 × 7 × 11 × 17909

Prime Factor Structure

Factorization String 3 × 7 × 11 × 17909

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,877,440

Proper Divisor Sum 2,740,461

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #4136971 ← → #4136999

1 3 7 11 21 33 77 231 17,909 53,727 125,363 196,999 376,089 590,997 1,378,993 4,136,979

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

4,136,979 12,410,938 6,205,469 18,616,408 9,308,204 4,654,102 2,327,051 6,981,154 3,490,577 10,471,732 5,235,866 2,617,933 7,853,800 3,926,900 1,963,450 981,725 2,945,176 1,472,588 736,294 368,147 1,104,442 552,221 1,656,664 828,332 414,166 207,083 621,250 310,625 931,876 465,938 232,969 698,908 349,454 174,727 524,182 262,091 786,274 393,137 1,179,412 589,706 294,853 884,560 442,280 221,140 110,570 55,285 165,856 82,928 41,464 20,732 10,366 5,183 15,550 7,775 23,326 11,663 34,990 17,495 52,486 26,243

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