2 × 7 × 11 × 20857

Prime Factor Structure

Factorization String 2 × 7 × 11 × 20857

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,007,104

Proper Divisor Sum 2,795,126

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #3211939 ← → #3211979

1 2 7 11 14 22 77 154 20,857 41,714 145,999 229,427 291,998 458,854 1,605,989 3,211,978

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

3,211,978 1,605,989 4,817,968 2,408,984 1,204,492 602,246 301,123 903,370 451,685 1,355,056 677,528 338,764 169,382 84,691 254,074 127,037 381,112 190,556 95,278 47,639 142,918 71,459 214,378 107,189 321,568 160,784 80,392 40,196 20,098 10,049 30,148 15,074 7,537 22,612 11,306 5,653 16,960 8,480 4,240 2,120 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95

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