13 × 31 × 353

Prime Factor Structure

Factorization String 13 × 31 × 353

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 158,592

Proper Divisor Sum 16,333

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #142237 ← → #142271

1 13 31 353 403 4,589 10,943 142,259

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

142,259 426,778 213,389 640,168 320,084 160,042 80,021 240,064 120,032 60,016 30,008 15,004 7,502 3,751 11,254 5,627 16,882 8,441 25,324 12,662 6,331 18,994 9,497 28,492 14,246 7,123 21,370 10,685 32,056 16,028 8,014 4,007 12,022 6,011 18,034 9,017 27,052 13,526 6,763 20,290 10,145 30,436 15,218 7,609 22,828 11,414 5,707 17,122 8,561 25,684 12,842 6,421 19,264 9,632 4,816 2,408 1,204 602 301 904

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