7² × 19 × 311

Prime Factor Structure

Factorization String 7^2 × 19 × 311

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 355,680

Proper Divisor Sum 66,139

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #289511 ← → #289543

1 7 19 49 133 311 931 2,177 5,909 15,239 41,363 289,541

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

289,541 868,624 434,312 217,156 108,578 54,289 162,868 81,434 40,717 122,152 61,076 30,538 15,269 45,808 22,904 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818 409 1,228 614 307

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