2 × 11 × 9721

Prime Factor Structure

Factorization String 2 × 11 × 9721

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 349,992

Proper Divisor Sum 136,130

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #213859 ← → #213881

1 2 11 22 9,721 19,442 106,931 213,862

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

213,862 106,931 320,794 160,397 481,192 240,596 120,298 60,149 180,448 90,224 45,112 22,556 11,278 5,639 16,918 8,459 25,378 12,689 38,068 19,034 9,517 28,552 14,276 7,138 3,569 10,708 5,354 2,677 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.