2² × 7² × 23 × 151

Prime Factor Structure

Factorization String 2^2 × 7^2 × 23 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,455,552

Proper Divisor Sum 774,844

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #680707 ← → #680749

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

680,708 340,354 170,177 510,532 255,266 127,633 382,900 191,450 95,725 287,176 143,588 71,794 35,897 107,692 53,846 26,923 80,770 40,385 121,156 60,578 30,289 90,868 45,434 22,717 68,152 34,076 17,038 8,519 25,558 12,779 38,338 19,169 57,508 28,754 14,377 43,132 21,566 10,783 32,350 16,175 48,526 24,263 72,790 36,395 109,186 54,593 163,780 81,890 40,945 122,836 61,418 30,709 92,128 46,064 23,032 11,516 5,758 2,879 8,638 4,319

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