3 × 7² × 4547

Prime Factor Structure

Factorization String 3 × 7^2 × 4547

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,036,944

Proper Divisor Sum 368,535

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #668407 ← → #668417

1 3 7 21 49 147 4,547 13,641 31,829 95,487 222,803 668,409

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

668,409 2,005,228 1,002,614 501,307 1,503,922 751,961 2,255,884 1,127,942 563,971 1,691,914 845,957 2,537,872 1,268,936 634,468 317,234 158,617 475,852 237,926 118,963 356,890 178,445 535,336 267,668 133,834 66,917 200,752 100,376 50,188 25,094 12,547 37,642 18,821 56,464 28,232 14,116 7,058 3,529 10,588 5,294 2,647 7,942 3,971 11,914 5,957 17,872 8,936 4,468 2,234 1,117 3,352 1,676 838 419 1,258 629 1,888 944 472 236 118

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