13 × 47 × 521

Prime Factor Structure

Factorization String 13 × 47 × 521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 350,784

Proper Divisor Sum 32,453

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #318323 ← → #318337

1 13 47 521 611 6,773 24,487 318,331

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

318,331 954,994 477,497 1,432,492 716,246 358,123 1,074,370 537,185 1,611,556 805,778 402,889 1,208,668 604,334 302,167 906,502 453,251 1,359,754 679,877 2,039,632 1,019,816 509,908 254,954 127,477 382,432 191,216 95,608 47,804 23,902 11,951 35,854 17,927 53,782 26,891 80,674 40,337 121,012 60,506 30,253 90,760 45,380 22,690 11,345 34,036 17,018 8,509 25,528 12,764 6,382 3,191 9,574 4,787 14,362 7,181 21,544 10,772 5,386 2,693 8,080 4,040 2,020

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