11 × 19² × 547

Prime Factor Structure

Factorization String 11 × 19^2 × 547

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,505,456

Proper Divisor Sum 333,319

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #2172113 ← → #2172151

1 11 19 209 361 547 3,971 6,017 10,393 114,323 197,467 2,172,137

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

2,172,137 6,516,412 3,258,206 1,629,103 4,887,310 2,443,655 7,330,966 3,665,483 10,996,450 5,498,225 16,494,676 8,247,338 4,123,669 12,371,008 6,185,504 3,092,752 1,546,376 773,188 386,594 193,297 579,892 289,946 144,973 434,920 217,460 108,730 54,365 163,096 81,548 40,774 20,387 61,162 30,581 91,744 45,872 22,936 11,468 5,734 2,867 8,602 4,301 12,904 6,452 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64

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