3 × 7 × 11 × 1979

Prime Factor Structure

Factorization String 3 × 7 × 11 × 1979

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 760,320

Proper Divisor Sum 303,171

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #457139 ← → #457151

1 3 7 11 21 33 77 231 1,979 5,937 13,853 21,769 41,559 65,307 152,383 457,149

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

457,149 1,371,448 685,724 342,862 171,431 514,294 257,147 771,442 385,721 1,157,164 578,582 289,291 867,874 433,937 1,301,812 650,906 325,453 976,360 488,180 244,090 122,045 366,136 183,068 91,534 45,767 137,302 68,651 205,954 102,977 308,932 154,466 77,233 231,700 115,850 57,925 173,776 86,888 43,444 21,722 10,861 32,584 16,292 8,146 4,073 12,220 6,110 3,055 9,166 4,583 13,750 6,875 20,626 10,313 30,940 15,470 7,735 23,206 11,603 34,810 17,405

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