3 × 5² × 43 × 211

Prime Factor Structure

Factorization String 3 × 5^2 × 43 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,156,672

Proper Divisor Sum 476,197

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #680453 ← → #680489

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

680,475 2,041,426 1,020,713 3,062,140 1,531,070 765,535 2,296,606 1,148,303 3,444,910 1,722,455 5,167,366 2,583,683 7,751,050 3,875,525 11,626,576 5,813,288 2,906,644 1,453,322 726,661 2,179,984 1,089,992 544,996 272,498 136,249 408,748 204,374 102,187 306,562 153,281 459,844 229,922 114,961 344,884 172,442 86,221 258,664 129,332 64,666 32,333 97,000 48,500 24,250 12,125 36,376 18,188 9,094 4,547 13,642 6,821 20,464 10,232 5,116 2,558 1,279 3,838 1,919 5,758 2,879 8,638 4,319

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