3 × 213641

Prime Factor Structure

Factorization String 3 × 213641

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 854,568

Proper Divisor Sum 213,645

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #640919 ← → #640933

1 3 213,641 640,923

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

640,923 1,922,770 961,385 2,884,156 1,442,078 721,039 2,163,118 1,081,559 3,244,678 1,622,339 4,867,018 2,433,509 7,300,528 3,650,264 1,825,132 912,566 456,283 1,368,850 684,425 2,053,276 1,026,638 513,319 1,539,958 769,979 2,309,938 1,154,969 3,464,908 1,732,454 866,227 2,598,682 1,299,341 3,898,024 1,949,012 974,506 487,253 1,461,760 730,880 365,440 182,720 91,360 45,680 22,840 11,420 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067

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