2 × 19 × 59 × 191

Prime Factor Structure

Factorization String 2 × 19 × 59 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 691,200

Proper Divisor Sum 262,978

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #428221 ← → #428227

1 2 19 38 59 118 191 382 1,121 2,242 3,629 7,258 11,269 22,538 214,111 428,222

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

428,222 214,111 642,334 321,167 963,502 481,751 1,445,254 722,627 2,167,882 1,083,941 3,251,824 1,625,912 812,956 406,478 203,239 609,718 304,859 914,578 457,289 1,371,868 685,934 342,967 1,028,902 514,451 1,543,354 771,677 2,315,032 1,157,516 578,758 289,379 868,138 434,069 1,302,208 651,104 325,552 162,776 81,388 40,694 20,347 61,042 30,521 91,564 45,782 22,891 68,674 34,337 103,012 51,506 25,753 77,260 38,630 19,315 57,946 28,973 86,920 43,460 21,730 10,865 32,596 16,298

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