2 × 7⁴ × 139

Prime Factor Structure

Factorization String 2 × 7^4 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 1,176,420

Proper Divisor Sum 508,942

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #667477 ← → #667487

1 2 7 14 49 98 139 278 343 686 973 1,946 2,401 4,802 6,811 13,622 47,677 95,354 333,739 667,478

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

667,478 333,739 1,001,218 500,609 1,501,828 750,914 375,457 1,126,372 563,186 281,593 844,780 422,390 211,195 633,586 316,793 950,380 475,190 237,595 712,786 356,393 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

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