2 × 13 × 21661

Prime Factor Structure

Factorization String 2 × 13 × 21661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 909,804

Proper Divisor Sum 346,618

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #563183 ← → #563197

1 2 13 26 21,661 43,322 281,593 563,186

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

563,186 281,593 844,780 422,390 211,195 633,586 316,793 950,380 475,190 237,595 712,786 356,393 1,069,180 534,590 267,295 801,886 400,943 1,202,830 601,415 1,804,246 902,123 2,706,370 1,353,185 4,059,556 2,029,778 1,014,889 3,044,668 1,522,334 761,167 2,283,502 1,141,751 3,425,254 1,712,627 5,137,882 2,568,941 7,706,824 3,853,412 1,926,706 963,353 2,890,060 1,445,030 722,515 2,167,546 1,083,773 3,251,320 1,625,660 812,830 406,415 1,219,246 609,623 1,828,870 914,435 2,743,306 1,371,653 4,114,960 2,057,480 1,028,740 514,370 257,185 771,556

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