7 × 13 × 21121

Prime Factor Structure

Factorization String 7 × 13 × 21121

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,365,664

Proper Divisor Sum 443,653

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1921981 ← → #1922027

1 7 13 91 21,121 147,847 274,573 1,922,011

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

1,922,011 5,766,034 2,883,017 8,649,052 4,324,526 2,162,263 6,486,790 3,243,395 9,730,186 4,865,093 14,595,280 7,297,640 3,648,820 1,824,410 912,205 2,736,616 1,368,308 684,154 342,077 1,026,232 513,116 256,558 128,279 384,838 192,419 577,258 288,629 865,888 432,944 216,472 108,236 54,118 27,059 81,178 40,589 121,768 60,884 30,442 15,221 45,664 22,832 11,416 5,708 2,854 1,427 4,282 2,141 6,424 3,212 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340

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