7 × 19 × 43 × 353

Prime Factor Structure

Factorization String 7 × 19 × 43 × 353

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,492,160

Proper Divisor Sum 473,353

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2018773 ← → #2018827

1 7 19 43 133 301 353 817 2,471 5,719 6,707 15,179 46,949 106,253 288,401 2,018,807

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

2,018,807 6,056,422 3,028,211 9,084,634 4,542,317 13,626,952 6,813,476 3,406,738 1,703,369 5,110,108 2,555,054 1,277,527 3,832,582 1,916,291 5,748,874 2,874,437 8,623,312 4,311,656 2,155,828 1,077,914 538,957 1,616,872 808,436 404,218 202,109 606,328 303,164 151,582 75,791 227,374 113,687 341,062 170,531 511,594 255,797 767,392 383,696 191,848 95,924 47,962 23,981 71,944 35,972 17,986 8,993 26,980 13,490 6,745 20,236 10,118 5,059 15,178 7,589 22,768 11,384 5,692 2,846 1,423 4,270 2,135

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