3 × 7 × 71 × 449

Prime Factor Structure

Factorization String 3 × 7 × 71 × 449

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,036,800

Proper Divisor Sum 367,341

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #669451 ← → #669463

1 3 7 21 71 213 449 497 1,347 1,491 3,143 9,429 31,879 95,637 223,153 669,459

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

669,459 2,008,378 1,004,189 3,012,568 1,506,284 753,142 376,571 1,129,714 564,857 1,694,572 847,286 423,643 1,270,930 635,465 1,906,396 953,198 476,599 1,429,798 714,899 2,144,698 1,072,349 3,217,048 1,608,524 804,262 402,131 1,206,394 603,197 1,809,592 904,796 452,398 226,199 678,598 339,299 1,017,898 508,949 1,526,848 763,424 381,712 190,856 95,428 47,714 23,857 71,572 35,786 17,893 53,680 26,840 13,420 6,710 3,355 10,066 5,033 15,100 7,550 3,775 11,326 5,663 16,990 8,495 25,486

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