19² × 23 × 67

Prime Factor Structure

Factorization String 19^2 × 23 × 67

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 621,792

Proper Divisor Sum 65,491

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #556289 ← → #556313

1 19 23 67 361 437 1,273 1,541 8,303 24,187 29,279 556,301

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

556,301 1,668,904 834,452 417,226 208,613 625,840 312,920 156,460 78,230 39,115 117,346 58,673 176,020 88,010 44,005 132,016 66,008 33,004 16,502 8,251 24,754 12,377 37,132 18,566 9,283 27,850 13,925 41,776 20,888 10,444 5,222 2,611 7,834 3,917 11,752 5,876 2,938 1,469 4,408 2,204 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592

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