7 × 11 × 19 × 1381

Prime Factor Structure

Factorization String 7 × 11 × 19 × 1381

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,653,440

Proper Divisor Sum 633,037

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #2020393 ← → #2020409

1 7 11 19 77 133 209 1,381 1,463 9,667 15,191 26,239 106,337 183,673 288,629 2,020,403

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

2,020,403 6,061,210 3,030,605 9,091,816 4,545,908 2,272,954 1,136,477 3,409,432 1,704,716 852,358 426,179 1,278,538 639,269 1,917,808 958,904 479,452 239,726 119,863 359,590 179,795 539,386 269,693 809,080 404,540 202,270 101,135 303,406 151,703 455,110 227,555 682,666 341,333 1,024,000 512,000 256,000 128,000 64,000 32,000 16,000 8,000 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364

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