11 × 13 × 67 × 71

Prime Factor Structure

Factorization String 11 × 13 × 67 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 822,528

Proper Divisor Sum 142,277

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #680249 ← → #680263

1 11 13 67 71 143 737 781 871 923 4,757 9,581 10,153 52,327 61,841 680,251

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

680,251 2,040,754 1,020,377 3,061,132 1,530,566 765,283 2,295,850 1,147,925 3,443,776 1,721,888 860,944 430,472 215,236 107,618 53,809 161,428 80,714 40,357 121,072 60,536 30,268 15,134 7,567 22,702 11,351 34,054 17,027 51,082 25,541 76,624 38,312 19,156 9,578 4,789 14,368 7,184 3,592 1,796 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728

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