13 × 49681

Prime Factor Structure

Factorization String 13 × 49681

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 695,548

Proper Divisor Sum 49,695

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #645851 ← → #645857

1 13 49,681 645,853

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

645,853 1,937,560 968,780 484,390 242,195 726,586 363,293 1,089,880 544,940 272,470 136,235 408,706 204,353 613,060 306,530 153,265 459,796 229,898 114,949 344,848 172,424 86,212 43,106 21,553 64,660 32,330 16,165 48,496 24,248 12,124 6,062 3,031 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 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604

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