2 × 5 × 21391

Prime Factor Structure

Factorization String 2 × 5 × 21391

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 385,056

Proper Divisor Sum 171,146

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #213901 ← → #213919

1 2 5 10 21,391 42,782 106,955 213,910

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

213,910 106,955 320,866 160,433 481,300 240,650 120,325 360,976 180,488 90,244 45,122 22,561 67,684 33,842 16,921 50,764 25,382 12,691 38,074 19,037 57,112 28,556 14,278 7,139 21,418 10,709 32,128 16,064 8,032 4,016 2,008 1,004 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367

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