7 × 19 × 43 × 71

Prime Factor Structure

Factorization String 7 × 19 × 43 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 506,880

Proper Divisor Sum 100,831

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #406037 ← → #406067

1 7 19 43 71 133 301 497 817 1,349 3,053 5,719 9,443 21,371 58,007 406,049

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

406,049 1,218,148 609,074 304,537 913,612 456,806 228,403 685,210 342,605 1,027,816 513,908 256,954 128,477 385,432 192,716 96,358 48,179 144,538 72,269 216,808 108,404 54,202 27,101 81,304 40,652 20,326 10,163 30,490 15,245 45,736 22,868 11,434 5,717 17,152 8,576 4,288 2,144 1,072 536 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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