3 × 7 × 11 × 68261

Prime Factor Structure

Factorization String 3 × 7 × 11 × 68261

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 26,212,608

Proper Divisor Sum 10,444,317

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #15768287 ← → #15768301

1 3 7 11 21 33 77 231 68,261 204,783 477,827 750,871 1,433,481 2,252,613 5,256,097 15,768,291

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

15,768,291 47,304,874 23,652,437 70,957,312 35,478,656 17,739,328 8,869,664 4,434,832 2,217,416 1,108,708 554,354 277,177 831,532 415,766 207,883 623,650 311,825 935,476 467,738 233,869 701,608 350,804 175,402 87,701 263,104 131,552 65,776 32,888 16,444 8,222 4,111 12,334 6,167 18,502 9,251 27,754 13,877 41,632 20,816 10,408 5,204 2,602 1,301 3,904 1,952 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80

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