3 × 7² × 5591

Prime Factor Structure

Factorization String 3 × 7^2 × 5591

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,274,976

Proper Divisor Sum 453,099

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #821869 ← → #821879

1 3 7 21 49 147 5,591 16,773 39,137 117,411 273,959 821,877

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

821,877 2,465,632 1,232,816 616,408 308,204 154,102 77,051 231,154 115,577 346,732 173,366 86,683 260,050 130,025 390,076 195,038 97,519 292,558 146,279 438,838 219,419 658,258 329,129 987,388 493,694 246,847 740,542 370,271 1,110,814 555,407 1,666,222 833,111 2,499,334 1,249,667 3,749,002 1,874,501 5,623,504 2,811,752 1,405,876 702,938 351,469 1,054,408 527,204 263,602 131,801 395,404 197,702 98,851 296,554 148,277 444,832 222,416 111,208 55,604 27,802 13,901 41,704 20,852 10,426 5,213

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